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The Australian state of Queensland is assessing the extent of the damage caused by the major storm.

Eleven Asian elephants manage to drag themselves clear of a muddy hole in Cambodia.

Critically endangered Indochinese tigers are captured on sensor-triggered cameras throughout 2016, set up in Thailand’s Eastern Forest Complex by the Forest Department and wildlife NGOs Freeland and Panthera. Conservationists say it gives hope for the survival of an animal whose total population is estimated at 221, spread across Myanmar and Thailand

• Footage courtesy of the Freeland foundation
• Nearly extinct tigers found breeding in Thai jungle

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Lower cull targets are easier to achieve but risk increasing instances of TB in cattle rather than reducing them, warns expert

The government’s killing targets for the controversial badger cull in England are “deliberately being biased down”, according to a leading animal population expert.

The badger cull, now rolled out to seven counties in England, is part of efforts to reduce the scourge of tuberculosis in cattle but has been heavily criticised by scientists.

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Models suggest solar geoengineering could reduce climate change and our independently assessed studies are vital to understanding its full potential

Even if the world were to cut emissions to zero tomorrow, global temperatures and sea levels would rise for decades. If our roll of the climate dice is unlucky, they could rise for centuries. It is in this context that some climate researchers have begun to reluctantly take seriously ideas first proposed in the 1960s: the possibility of using solar geoengineering to help restore the world’s climate, alongside aggressive actions to reduce greenhouse-gas (GHG) emissions to zero and below.

Fear of solar geoengineering is entirely healthy. Its mere prospect might be hyped by fossil fuel interests to thwart emissions cuts. It could be used by one or a few nations in a way that’s harmful to many. There might be some yet undiscovered risk making the technology much less effective in reality than the largely positive story told by computer models.

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EU membership has given Britain vital environmental laws. Any changes to legislation must be done with full public scrutiny to protect us from exploitation

When Theresa May fires the Brexit starting gun by triggering article 50, she will start a process that could dramatically reshape almost every aspect of British life – from our economy, laws, and place in the world to our natural environment. The difficult choices our politicians make in just a few years could change the face of Britain for generations to come.

Even before the tough bargaining with the EU and other countries start in earnest, another, more domestic negotiation process will get underway – the constitutional power struggle between parliament and government over who will have the final say on the momentous Brexit decisions. A lot will ride on the outcome of this tug of war, and that includes the fate of many vital environmental safeguards we take for granted.

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Critically endangered Indochinese tigers are captured on sensor-triggered cameras throughout 2016, set up in Thailand’s Eastern Forest Complex by the Forest Department and wildlife NGOs Freeland and Panthera. Conservationists say it gives hope for the survival of an animal whose total population is estimated at 221, spread across Myanmar and Thailand

• Footage courtesy of the Freeland foundation
• Nearly extinct tigers found breeding in Thai jungle
  

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US President Donald Trump has signed an executive order to repeal the climate change efforts of his predecessor Barack Obama.

US President Donald Trump has followed through on his promise to undo Barack Obama’s climate policies, signing an executive order to review his predecessor’s Clean Power Plan and any other regulations that “burden the development or use of domestically produced energy resources”. The move potentially paves the way for the United States to walk away from its commitments under the Paris Climate Agreement.

America’s leadership on climate change has been patchy at best, yet under Obama the country made an important diplomatic shift – one that now looks to be fundamentally unravelling. Trump’s executive order, released on Tuesday, aims to dismantle the network of institutions and laws that regulate greenhouse emissions, and those that conduct globally important research to track climate change. The consequences, both at home and abroad, will be severe.

The order comes as little surprise. Trump, after all, has previously claimed that climate change is a conspiracy perpetrated by the Chinese government to gain economic advantage at America’s expense, and made a campaign promise to undo the Paris deal. His administration has deep ties to the oil and gas industry, including Secretary of State Rex Tillerson, a former chief executive of ExxonMobil. Trump also greenlit the controversial Dakota Access pipeline.

Trump’s appointment of Scott Pruitt to head the Environmental Protection Authority (EPA) caused alarm among environmental activists and EPA staff alike. Pruitt has a history of suing the EPA during his time as Attorney General of Oklahoma, and hundreds of recently released emails attest to his close relationship with the oil and gas industry.

The new executive order signals that Trump does not want climate research to be carried out by government agencies such as the EPA, NASA and the Centers for Disease Control and Prevention (CDC).

In a speech to Congress earlier this month, he outlined plans to slash the EPA’s budget. He has also pledged to reinvigorate the coal industry, and the Republican-controlled House has already rolled back an Obama-era regulation that prevented coal companies dumping their waste in rivers.

China leading the climate race

The irony is that while Trump may believe that the emissions targets agreed upon in Paris would weaken the US economy, particularly against China, the reverse is actually closer to the truth.

As my colleague Ben Habib recently argued, China now leads the world in renewable energy investment, a trend that will see it dominate the market in the decades to come. The Paris targets are one way that other countries can similarly encourage clean energy investment.

Meanwhile, China’s plans to move away from its heavy use of coal-fired electricity generation means the price of coal will continue to fall, making America’s cherished coal industry less profitable and exacerbating the economic and social costs to coal mining communities. With many analysts warning of a potential “carbon bubble”, Trump is in danger of backing the wrong horse.

The Chinese government’s desire to move away from fossil fuels is driven partly by serious domestic pollution and health issues. Instead of cutting research funds, the US should pay similar attention to the health of its own citizens.

America’s huge size and geographical diversity means it is likely to experience many different climate impacts, from coastal flooding and severe storms to drought and wildfires.

Global impacts

The Pentagon has repeatedly warned that climate change is a threat to global security that will make existing challenges even harder to deal with.

Competition over scarce resources such as food and water have already contributed to the civil war in Syria, and increasingly violent conflicts over food and farmland in the Horn of Africa. These conflicts have contributed to a growing mass migration crisis, and longer droughts and irregular rainfall in agricultural regions will impact global food prices.

People in the Pacific Islands will likely lose their homes to sea level rise, potentially adding further to the migration of refugees from around the world. Some of the poorest countries in the world, including the Philippines, Vietnam and Thailand, will also face the impacts of sea-level rise, yet lack the resources to adapt to the changing environment. More frequent and intense storms and extreme weather events such as cyclones will create humanitarian crises that will require an international response.

Many of these crises will require an American response, whether through the provision of disaster relief and support, or through managing increased migration. When it comes to violent conflict as a result of climate-related tensions, it is likely that America would face immense global pressure to intervene.

It is clear that Trump has less appetite for international intervention than his predecessors. But nor does the White House appear to place any value on managing America’s own vulnerability to climate change.

If Trump’s climate policy takedown is successful, he may well find himself presiding over a country that is weakened economically, socially and politically, both at home and abroad.

Kumuda Simpson is affiliated with the NTEU Climate Action Network.

Better infrastructure for transporting people by bike is great. But cycle freight could free up roads and transform cities and towns too

The plastic bike basket I bought online was billed as “large”, but even so I was amazed when it arrived. This was a behemoth – a cavernous, black box into which you could as easily fit a decent-sized dog as a bag of shopping.

Fitted to my new commuter bike, the initial effect was comical. But such worries were soon forgotten given how astonishingly useful it proved.

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While observing sperm whale off the Sri Lankan coast, Philip Hoare came face to face with eight hunting orcas who had no fear of the 100-strong sperm whale pod

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Former US vice president Al Gore has produced a follow-up to his award-winning 2006 documentary, An Inconvenient Truth. Watch the first official trailer

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OceanWatch had expressed hope cyclone could have alleviated pressure the reef is under and prevented further bleaching

The cooling effect of Cyclone Debbie will not be enough to prevent further mass bleaching of the Great Barrier Reef, a leading marine scientist has said.

The category-four tropical storm made landfall on the north Queensland coast on Tuesday, leaving a trail of destruction in its wake. Airlie Beach, Proserpine and Bowen were among the worst hit, though Hamilton, Hayman and Daydream islands were also affected.

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The Night Parrot is unquestionably one of Australia’s most enigmatic, elusive and enthralling species. The final frontier of Australian ornithology, this cryptic parrot eluded dedicated expeditions to find it for nearly half a century.

Last week, a momentous chapter in the Night Parrot story was written, with the first photograph of a live Night Parrot in Western Australia. The photos come in the wake of several other recent sightings, including the parrot’s rediscovery in Queensland in 2013.

Despite media reports, the parrot has never been officially listed as extinct, with sporadic evidence of its existence throughout the 20th century.

But now we know for sure that the parrots are alive and found across the continent, we can move on to making sure they remain so in the future.

Mystery bird

We know that Night Parrots favour spinifex or tussock grasslands, often close to inland wetland systems. But the areas of potential habitat are vast throughout inland Australia.

The Night Parrot has been listed as endangered in the Action Plan for Australian Birds since 1992. It is listed as endangered under federal legislation.

It has never been listed as “presumed extinct” or “extinct”. Reliable ongoing reports and the well-known cryptic nature of the species meant that the ornithological community considered it likely to have survived, albeit incredibly hard to spot.

The Night Parrot has been known to exist in WA since at least 2005, when a colleague and I clinched the first peer-accepted sighting in recent Australian history during an environmental impact assessment for the Fortescue Metals Group (FMG) Cloudbreak mine.

Fortescue Marshes, where the Night Parrot was first seen again in WA in 2005. Robert Davis

This was by no means the first sighting of Night Parrots in WA, with regular and reliable reports since at least the 1980s. But until 2005 none had provided sufficient detail to eliminate other possibilities. Further sightings have been monitored at another location in the arid zone since 2009 and that work is pending publication.

The significance of the latest find is immense. A dedicated team of birdwatchers (Adrian Boyle, Bruce Greatwich, Nigel Jackett and George Swann) has confirmed the existence of a population in WA. The discovery, resulting from a well-planned expedition, is the start of a real dialogue about Night Parrot conservation in WA.

The latest record cements the fact that Night Parrots are present at several locations in WA and potentially throughout arid Australia, including in regions rich in mineral resources.

In contrast to the Queensland populations, which have so far been found in national parks and pastoral leases, the WA situation sets up a quandary for how to manage development, Night Parrots and mining.

Mining and conservation

Our 2005 sighting was important because, given the parrot’s endangered status, FMG was required to provide offsets for potential disturbance to Night Parrot habitat. The offsets included avoiding areas of likely habitat on the Fortescue Marshes, and funding follow-up surveys throughout the areas surrounding the proposed mine. These unfortunately did not find further evidence of Night Parrots.

Research offsets from FMG also funded the writing of a national research plan for Night Parrots. This was later followed by on-ground research on Night Parrots at Pullen Pullen Reserve in Queensland, the population found by naturalist John Young in 2013.

Recent developments by other WA resource companies have seldom considered Night Parrots. My personal experience is that surveys usually look for endangered mammals such as Northern Quolls and Bilbies, but rarely search properly for Night Parrots. This is likely due to two main reasons.

The first is the incredibly cryptic nature of the Night Parrot. Clearly the species has evaded detection for so long because it is difficult to find.

The second is what I term “the Thylacine factor”. The only equivalent species in Australia that has the same degree of scepticism and mythology is the Thylacine.

Thylacines have (so far) not been rediscovered. But developers, consultants and regulators take the same attitude to Night Parrot sightings. The parrots are often seen as a mythical animal that doesn’t exist. The idea of looking for them is met with mirth.

Finding the parrots

Recent findings from research by Steve Murphy in Queensland, and other recent work in WA, are slowly providing us with the tools to overcome both of these issues. With better knowledge of their specific habitat requirements, including a need for long-unburned grasslands close to water sources, we can reduce the daunting challenge of Night Parrots potentially existing anywhere that spinifex is found.

Fire is one of the threats facing the Night Parrot. Robert Davis

The recent release of calls from the Queensland population and a new recording of calls from the WA population provide the most powerful tool yet for doing surveys. Playing back the calls can be used to elicit a response from any Night Parrots in the area. The call can also be used to identify calls from deployed remote recording devices.

As more populations are discovered and more evidence becomes available, this will help convince the public and decision-makers that the parrots are (hopefully) found across a wide range and need careful management, despite the difficulty of observing them.

Let’s hope government bodies will strongly enforce the requirement to search for Night Parrots in all areas of potential habitat within their known current and historic range. This should ensure that we don’t lose any parrots before they are even found.

Robert Davis does not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and has disclosed no relevant affiliations beyond the academic appointment above.

St Dominic, Tamar Valley The hardier bulbs have naturalised and merged with bluebells, ferns, dog’s mercury and moschatel, shaded by scrub and trees

Lucifer, Sunrise, Croesus and Bernardino, narcissi with orange cups and creamy-white petals, should be at their best but hail and wind have battered these successors to the yellow-trumpeted daffodils. Bath’s Flame, on a taller stem with spreading lemon-yellow petals and scarlet-rimmed centre, is also spoilt, part-eaten by snails and little slugs.

Here, on this historic market garden, about 20 old-fashioned varieties have been identified, still growing in their original patches and rows in woodland and, occasionally, cut grass; a tithe map from the 1840s shows the land as orchard, so the oldest sorts, Princeps and Van Sion, could date from then.

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Operating at just 8% of its former 1600MW capacity, Hazelwood is just hours away from being consigned to the dust-bin of energy history.

Reposit Power says home battery storage the key to Australia's energy security puzzle, not grid-scale applications.

CEFC today congratulated the Commonwealth Bank of Australia on the successful issuance of its first climate bond, a $650 million transaction linked to a broad portfolio of clean energy assets.

Hope for critically endangered cats as only 221 Indochinese tigers, which once ranged across much of Asia, are thought to remain in Thailand and Myanmar

Conservationists say they have evidence the critically endangered Indochinese tiger is breeding in a Thai jungle, giving hope for the survival of an animal whose total population may be only a little over 200.

Thailand’s conservation authorities, along with two private organisations, have announced photographs of new tiger cubs in eastern Thailand, supporting a scientific survey that confirmed the existence of the world’s second breeding population.

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Senate motion pushing for change of settlement periods to 5 minutes passed unanimously, while South Australia open to variations of battery storage tender.