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NSW is getting excited about pumped hydro, but many projects will only get up if supported by analysts such as Rosie Scenario and Phil Wright.

California Energy Commission has, as predicted, mandated rooftop solar PV installations on all new residential buildings from 2020.

After the auto bailout, Ford, GM and Chrysler pledged to support stricter fuel standards. Now, they are working with President Trump to weaken those rules.

Difficult progress in Bonn has prompted the UN to schedule a long-anticipated extra session for climate talks in the Thai capital.

This Hawaii resident had a surprise when he returned home after fleeing the Kilauea eruption.

SolarEdge Technologies, Inc., a global leader in PV inverters, power optimizers, and module-level monitoring services, today announced its financial results for the first quarter ended March 31, 2018.

The US President's announcement this week was hardly surprising - but was it the right move?

Researchers hope that insights into reproductive behaviour will help save endangered species

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A whiskery love bite on a hairy bum. It may sound like a perturbing form of foreplay but scientists believe it could help save critically endangered wombat populations in Australia’s north.

Scientists have spent two wombat breeding seasons seeking to better understand the sex lives of vulnerable southern hairy-nosed wombats, using 24-hour infrared cameras and urine samples.

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New research shows what type of signs are most effective at communicating safety messages in national parks - and what not to do. Pascal Scherrer, Senior Lecturer, School of Business and Tourism, Southern Cross University Betty Weiler, Professor, School of Business and Tourism, Southern Cross University Licensed as Creative Commons – attribution, no derivatives.

Infigen cites success of Tesla big battery in proposal for 25MW/52MWh battery addition to its Lake Bonney wind farm.

Negotiations deadlocked as delegates get bogged down in technical arguments about the Paris climate pact.

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

A dry winter is expected to hamper low-carbon hydroelectric power generation in California this summer, according the state’s independent system operator, pointing to a potential tightening of the state’s cap-and-trade market.

Officials say homeowners could see significantly lower utilities costs per month.

California regulator ARB handed out over 6.4 million California Carbon Offsets (CCOs) this week in the third largest issuance in the programme's history, with one new forestry project receiving the vast majority of the credits.

Indigenous water rights have been overlooked for a very long time. A bipartisan agreement on the Murray Darling Basin Plan may change that. Sue Jackson, Professor, ARC Future Fellow, Griffith University Licensed as Creative Commons – attribution, no derivatives.

Researchers plan to integrate their cocaine-detecting chip in a portable scanner.

Exclusive: five-year ‘enhanced clearance’ programme targets trees along 20,000 miles of track to avoid delays, according to an internal document

Network Rail is to target all “leaf fall” trees for removal alongside its tracks in a new £800m five-year programme of “enhanced clearance”, according to an internal document seen by the Guardian.

The policy document for 2019-24 emerged as the environment secretary, Michael Gove, summoned the chief executive of Network Rail for talks over their approach to environmental management following revelations about tree felling across the country by the Guardian.

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European carbon prices rose above €14 on Wednesday, coming within sight of their recent seven-year high as the flow of short-term supply paused and President Trump’s decision to pull the US out of an international nuclear pact with Iran lifted the wider energy complex.

An unusual object has been found lurking in the Kuiper Belt, and it may have a tale to tell.