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Forty-two tiny tracking devices fitted to cuckoos in the UK may have solved the mystery of the birds' decline.

The cuckoo is in decline in the UK, and its migratory habits may be to blame, according to a study of tagged birds.

BBC News speaks to UK researchers already feeling the effects of Brexit on their research.

A US appeals court has ruled that sonar approved for use by the US Navy broke marine laws.

Duterte says Paris climate pact seeks to dictate to developing countries and limit economic growth, reports Climate Home

The Philippines will not honour commitments it made under the Paris climate change deal, president Rodrigo Duterte has said in a speech.

“You are trying to stifle us,” Duterte said on Monday in widely reported comments. “That’s stupid, I will not honour that. You signed … That was not my signature.”

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The 66-mile route takes in Dover’s White Cliffs and Dungeness and is latest section of national coastal route to be completed

The first south-eastern stretch of a national trail that will eventually allow people to walk the whole way around England’s coastline has opened.

The 66-mile route, which starts in Camber in East Sussex and finishes in Ramsgate, Kent, is the latest section to become part of the England Coast Path. When completed in 2020, it will be one of the world’s longest coastal walking routes at 2,700 miles (4,345km).

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Steven Freeland outlines the case for new international laws to deal with crimes against the environment during war.

Competitions to catch monster sharks have been held on the US Atlantic coast for decades, but now critics are stepping up their fight and calling for a ban

It’s 4am at the dock on Block Island, a teardrop-shaped New England vacation spot situated off Rhode Island, and tempers are fraying among fishermen competing in one of the region’s growing number of big money “monster” shark fishing tournaments.

At the previous night’s pre-competition gathering, one fisherman tore off his shirt and hurled it at the organizers, enraged at what he saw as an insufficient prize pot. Then, on the opening morning of a two-day contest to reel in the largest shark, anger flares from a very different source.

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The original Bramley apple tree - planted more than 200 years ago and the "mother" of all modern Bramley apples - is dying from a fungal infection.

An open letter to the government from UK academies representing science, medicine and engineering warns that Brexit is already harming science.

Often overlooked compared to cars and factories that are far bigger causes of smog, ship traffic has more than doubled off East Asia since 2005

A boom in shipping is aggravating air pollution in China and other nations in East Asia, causing thousands of deaths a year in a region with eight of the world’s 10 biggest container ports, scientists said on Monday.

Often overlooked compared to cars and factories that are far bigger causes of smog, ship traffic has more than doubled off East Asia since 2005 and some pollution from the fuel oil of ships wafts inland, they said.

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From the mundane to the more serious, it’s in everyone’s interest to preserve the spirit of the overnight London-Suffolk bike ride

The Dunwich Dynamo is a roughly 120-mile bike ride to the Suffolk coast, on a date sometime near the fullest moon between the end of June and mid-July, setting off from Hackney’s London Fields park around 8pm and arriving at the beach sometime after dawn.

If the description seems a little hazy that’s because the ride is technically unorganised. There is no registration, no timer and no number to pin on to your cycle jersey.

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Double time: Josh Frydenberg has added environment to his energy portfolio. AAP Image/Mick Tsikas

One of the most notable moves in yesterday’s cabinet reshuffle was Prime Minister Malcolm Turnbull’s decision to merge the environment and energy portfolios, and hand them both to current energy minister Josh Frydenberg.

The immediate reaction was mixed. The Australian Petroleum and Exploration Association described it as “the holy grail”, whereas others branded the move a nightmare scenario.

Often when two agencies are combined, the culture of one dominates. In this case, it will hinge on the agenda chosen by Frydenberg, Turnbull, and the government as a whole.

If the resource-oriented, centralised, growth-focused energy industry culture dominates, we could see emerging industries blocked, the climate response crippled, and environmental destruction.

On the other hand, if the various interest groups are forced to engage with the climate issue, and the abuse of market power, fossil fuel subsidies and other longstanding conflicts are worked through, it could be the circuit-breaker that’s so sorely needed.

Tricky issues

One thing that’s clear is that Frydenberg has been given a remarkably complicated brief. Energy and environment are both great examples of “wicked problems” – issues so complex that we struggle to define the problems, let alone agree on how to deal with them.

For instance, one crucial aspect of Frydenberg’s existing energy portfolio relates to energy exports, which traditionally have represented a significant proportion of Australia’s overall exports. But a recent Productivity Commission report points out that services (which are typically low-energy) now make up more than 40% of exports from a “value-added” perspective.

Factor in environmental considerations and the prospect becomes more complex still (although a good energy minister will already be across these trends). Australia’s profits from fossil fuel exports create deficits for consumer countries as well as contributing to their carbon emissions. The global shift away from fossil fuels is a necessary and understandable response, which calls into question the long-term future of Australia’s energy exports.

But energy policy has other dimensions that are often more important to voters and the broader economy. Fair energy prices and reliable power supply are crucial for the community and business. The sector creates many environmental problems but can also help to improve environmental quality. It has traditionally underpinned economic development but employs few people and is capital-intensive – and our economy is decoupling its progress from dependence on energy growth.

The energy sector is also in deep crisis, with volatile and increasing electricity and gas prices, conflict over mining, and a war between proponents of emerging clean energy solutions and powerful energy companies.

Need for vision

It all sounds daunting, but this is also a perfect time for someone with a broader perspective and wider experience to engage the many stakeholders, resolve tensions, and guide Australia towards a sustainable, 21st-century energy sector.

What can we surmise about the various figures who will influence this process? Turnbull is famously keen on innovation, and is comfortable with disruptive energy sources, being one of the 1.5 million householders with rooftop solar. And he was very excited after his ride in a Tesla electric car.

His chief of staff Drew Clarke has a strong background in industry development, energy efficiency and (the new buzz-phrase) energy productivity. Martin Parkinson, secretary of the Department of Prime Minister and Cabinet, is a former head of the environment department.

Frydenberg himself is one of the few recent Australian energy ministers not enmeshed in the traditional energy industry – a marked contrast to his predecessors Ian Macfarlane, Greg Combet and Martin Ferguson. His career has encompassed a broad range of interests, including finance, international affairs, back-room politics, sport, and even helping the print handicapped. Soon after his appointment as energy minister, he attended several international energy meetings, including an APEC energy ministers’ conference at which I spoke on the future role of clean energy. He seemed pretty interested.

After returning, he commented at a meeting of COAG’s Energy Council that energy efficiency seemed to be the big international agenda item. He has also presided over development of Australia’s National Energy Productivity Plan, and he has been an advocate for innovation.

So he seems to be ambitious, forward-looking and broad in perspective. However, as energy minister he has been reported as supporting a range of controversial energy development options, including new coal mines.

It remains to be seen whether this stance was part of Turnbull’s “calm the conservatives” strategy, or perhaps informed by a lack of exposure to up-to-date economic and scientific analysis. What does Josh Frydenberg really think? And if independent policy research contradicts his views, will he be prepared to change his mind?

Another important issue is who will be appointed to the department’s senior positions. This could have a crucial bearing on the outcome. Choosing the right people could guide a positive transformation that supports progress towards a truly sustainable energy and environmental future.

Alan Pears has worked for government, business, industry associations public interest groups and at universities on energy efficiency, climate response and sustainability issues since the late 1970s. He is now an honorary Senior Industry Fellow at RMIT University and a consultant, as well as an adviser to a range of industry associations and public interest groups. His investments in managed funds include firms that benefit from growth in clean energy.

He's been dubbed Mr Coal and talks up nuclear, but chances are Australia's new energy and environment minister knows the future lies in renewables. The question is can he, or does he want to, convince his conservative peers he should be allowed to take this path?

Scientists are studying Dolly the sheep's "siblings" in order to study the health of cloned animals.

WWT urges ministers to uphold promise to boost nature and cut the costs of environmental damage after the Brexit vote

Ministers must deliver on a manifesto pledge for a 25-year plan to boost nature and cut the costs of environmental damage, it has been urged.

Harm caused by floods, air pollution, water pollution and chemicals in the atmosphere are adding billions of pounds a year to bills, insurance premiums and costs for businesses, farms and households, environmentalists warn.

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The $650m, 96-turnbine Dundonnell project is expected to save 700,000 tonnes of greenhouse gas emissions a year

Victoria has approved a $650m, 96-turbine windfarm that will be the largest in the state as it bids to become the nation’s renewable energy leader.

The approval of the Dundonnell project means 300 direct and indirect jobs will be created during construction and the turbines will generate 1000 gigawatt hours of clean energy each year. It is enough to power 140,000 homes.

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Claxton, Norfolk I reached the river Yare when the sun’s first effect was a band of exquisite apricot that shaded incrementally colder overhead

According to the veteran chronicler of English slang Jonathon Green, the expression “sparrow’s-fart” is a late 19th-century coinage, when country folk knew a thing or two about dawns.

All I can say is that while Claxton sparrows were busy and loud when I got back to the house, as I left it at 3.55am they were silent. The early birds were song thrush and blackbird, whose music rose and pooled in the woods beyond the houses and down the dell, by the gate, where the marsh begins.

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Victorian Labor underlines support for wind energy development, as a boon to regional economies and a key climate action.

Could F1 and aeronautical tech help Sir Ben Ainslie's 'flying' catamaran win the America's Cup?