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They may not be able to walk, but trees do talk — at least to each other.

New report says that using just a tiny fraction of Australia's superannuation nest egg could fund a transition to 100% renewable energy by 2030.

Old divisions between rich and poor are again threatening to limit progress in UN climate negotiations.

Take time to smell the roses, the saying goes, as a study shows they may smell even sweeter in future.

Macquarie unit partners with French company Ideol to develop the first major floating wind farm off Japan.

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

Sun Metals solar farm, the largest in the country, will begin commissioning in a few weeks and will supply 30% of electricity needs for major refinery.

Kim and Amanda are dedicated to educating women about plastic-free reusable period products.

Projects that facilitate the use of bicycles in developing nations, including installing bike lanes and parking lots and implementing bike-sharing programmes, now qualify for carbon credits, a UN panel has decided.

Environmental campaigner and founder of 350.org says the financial sector has picked up on the future of energy much quicker than politicians
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After almost three decades of environmental activism, Bill McKibben has become the Earth’s investment broker.

“There’s no way at this point to solve [climate change] one person at a time,” McKibben told Guardian Australia.

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Researchers in Australia and Saudi Arabia say baby reef fish appear to have learnt how to switch off certain genes to allow them to cope with heat stress.

Water supplies in western US will become more precarious amid warming climate

Los Angeles should not exist. The explorer John Wesley Powell warned the US Congress 140 years ago that the American west was a harsh arid land and settlements should be limited to conserve scarce water supplies. The politicians rejected his advice and launched a massive programme of dam and canal construction for irrigation and settlements.

In a gruelling expedition across North America, Powell had seen a dramatic transition from the lush green prairies in the east to the dry lands of the west, and the frontier of this transition was the 100th meridian, an invisible line of longitude passing north-south through North America.

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The Murray-Darling Basin Plan has been politically fraught and mired in scandal. But environmental monitoring suggests that the health of the rivers is indeed improving - even if it will take decades. Angus Webb, Senior Lecturer and quantitative ecologist, University of Melbourne Darren Ryder, Professor of Aquatic Ecology and Restoration, University of New England Fiona Dyer, Associate professor, University of Canberra Michael Stewardson, Environmental Hydrology and Water Resources, Melbourne School of Engineering, University of Melbourne Mike Grace, Associate Professor, Monash University Nick Bond, Professor, La Trobe University Paul Frazier, Adjunct Senior Lecturer, University of New England Qifeng Ye, Principal Scientist, Inland Waters and Catchment Ecology Program Rick Stoffels, Senior Scientist, CSIRO Robyn J Watts, Professor of Ecology, Charles Sturt University Samantha Capon, Research Fellow in Ecology, Griffith University Skye Wassens, Associate Professor in Ecology, Charles Sturt University Licensed as Creative Commons – attribution, no derivatives.

A combination of existing provincial carbon pricing schemes along with the federal ‘backstop’ would significantly reduce Canada's GHG emissions through 2022 while slowing GDP growth less than recent estimates, according to a new report.

Tree-felling helped trigger ‘hidden collapse’ of mountain ash forests, ecologists say

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Melbourne’s water supply is at risk because decades of logging and forest loss from large bushfires has triggered the imminent collapse of the mountain ash forests in Victoria’s central highlands, ecologists have said.

The Victorian government was warned of the likelihood of ecosystem collapse by Australian National University researches in 2015. New research led by Prof David Lindenmayer of ANU, published in PNAS journal on Tuesday, has found the ecosystem has already begun to undergo a “hidden collapse”.

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Lacking buyers for their carbon credits, African nations are appealing to the Green Climate Fund (GCF) and other institutions to finance their carbon-cutting activities as Paris Agreement rulebook talks drag on.

EU carbon prices barely budged on Monday in trade muted by tomorrow's European public holiday as observers grew wary over whether the market could sustain recent gains with the annual compliance season now over.

A California-based consultant has rejoined IETA to work on the emissions trading association’s growing US and international research efforts.

Plan for fund combining taxpayers’ cash and private investment significantly behind schedule, it has emerged

A £400m government plan to build electric car charging points looks likely to be significantly delayed, in a blow to car manufacturers and efforts to tackle air pollution in UK cities.

The Treasury pledged last year to support the switch to zero-emission vehicles with a £400m fund for charging infrastructure. Half of the money was to come from the taxpayer, with the rest matched by the private sector, according to an announcement in the autumn budget.

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The share of German carbon allowances bought by big emitters rose for a second straight month in March, with operators taking more than half of the 17.44 million sold.