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Battery storage uptake by Australian households is starting to take off. But is it a financial no-brainer? New analysis from SunWiz says ... it's complicated. If you care about return on investment, there's some things you should know.

Sonnen selected to provide 270 residential batteries for Melbourne property development, to cut household power bills by 60% and possibly help power a community water recycling plant.

Survey finds 62% of businesses plan to invest in battery storage in next 18 months. But can governments and regulators keep up?

A daily summary of our news plus bite-sized updates from around the world.

The Ontario Ministry of Environment and Climate Change (MOECC) finalised two offset protocols for use in the province’s cap-and-trade programme on Thursday, while also updating a third.

Prices on both coasts increased moderately this week and trading activity picked up in the as participants returned to their desks after the NACW industry conference.

The Hawaii state senate on Tuesday approved two bills that would create a voluntary carbon offset programme and make permanent a task force designed to bolster carbon sequestration efforts in line with the state’s climate goals.

California regulator ARB this week released Low Carbon Fuel Standard (LCFS) credits for electric forklift charging in 2017, while monthly data showed that prices sank as volume picked up in both the California and Oregon clean fuels standards in March.

Traffic has fallen by 40% in the City since 1999 – good news for air pollution and people’s fitness

City workers are swapping their pinstripe suits for cycle helmets and hi-vis jackets. Since 1999, total traffic in the City of London has fallen by 40% and bicycles are now the dominant vehicle during the rush hour.

This is good news for air pollution in an area that breaches EU limit values for nitrogen dioxide, but an increase in active travel has many other benefits: less road traffic noise, fewer climate change emissions and people benefiting from more exercise.

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Kevin Chmielewski told lawmakers he faced retaliation after pushing against outsized spending demands from EPA chief and his top aides

A high-ranking political staffer at the Environmental Protection Agency has told lawmakers he faced retaliation after pushing back against outsized spending demands from administrator Scott Pruitt and his top aides.

House and Senate Democrats sent letters on Thursday to Donald Trump and Pruitt describing a meeting they had with Kevin Chmielewski, who was recently placed on involuntary, unpaid leave from his position as EPA’s deputy chief of staff for operations.

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The Mary river turtle is just one of many endangered Australian reptile species which have fallen between the conservation cracks

The Australian government does not have a plan to save an endangered Australian turtle species that received global attention on Thursday for its green mohawk and its ability to breathe through its genitals.

The Mary river turtle, found only in that one river in Queensland, attracted worldwide headlines as one of the standout species on a new list of the most vulnerable reptile species compiled by the Zoological Society of London (ZSL).

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Breakthrough explains why some cancers are far more deadly than others.

Multimillion dollar project will scan and make public methane leaks from oil and gas plants that are a major contributor to global warming

Methane leaking from oil and gas facilities around the world – a major contributor to global warming – is set to be spotted from space.

The Environmental Defense Fund (EDF) has announced it aims to launch a satellite called MethaneSAT by 2021 to scan the globe and make major leaks public. That information will then enable governments to force action, EDF hopes. Building and launching the satellite will cost tens of millions of dollars, but EDF says it has already raised most of the money.

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Governments at the International Maritime Organisation (IMO) agreed to a provisional deal on Thursday for an initial strategy to address international shipping emissions, including a 50% long-term emission cut target, with the resolution due to be signed-off officially on Friday.

The international chemical weapons watchdog confirms the UK's analysis of the nerve agent in Salisbury.

Stretch of road outside Stockholm transfers energy from two tracks of rail in the road, recharging the batteries of electric cars and trucks

The world’s first electrified road that recharges the batteries of cars and trucks driving on it has been opened in Sweden.

About 2km (1.2 miles) of electric rail has been embedded in a public road near Stockholm, but the government’s roads agency has already drafted a national map for future expansion.

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EU carbon prices fell back on Thursday after a weak auction result triggered bearish sentiment already fuelled by analyst projections of a near-term correction.

A Chinese environmental NGO is suing the country's State Grid Corp., claiming 310 million yuan ($49 mln) in damages for the company’s failure to comply with a 2006 law obligating it to purchase all the renewable energy generated within its area of operation.

The week’s top environment news stories and green events. If you are not already receiving this roundup, sign up here to get the briefing delivered to your inbox

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A new book published by the Natural History Museum showcases some of the most memorable underwater photographs taken over the last few decades in its annual wildlife photographer of the year competition. The stories behind the pictures - about both the behaviour and the photographers’ experiences - are often as interesting as the pictures themselves

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