Adam Morton 2nd Degree: A year on from the abolition of the carbon price, greenhouse pollution from electricity generation has rebounded as Australia burns more brown coal to meet its power needs.
As Germany and Spain sweated and London sweltered through its hottest July day on record this week, scientists said it is "virtually certain" that climate change is increasing the likelihood of such heat waves in Europe.
A Swiss man attempting to circumnavigate the globe with an aircraft powered only by the sun's energy landed in Hawaii on Friday, after a record-breaking five-day nonstop solo flight across the Pacific Ocean from Japan.
Peter Hannam Australia's drought-hit regions are expanding in the lower Murray-Darling Basin as key climate influences in the Indian and Pacific oceans tilt towards drier conditions.
Sarah Knapton and Victoria Ward Britain experienced its hottest July day for 160 years on Wednesday as temperatures hit 36.7 degrees, surpassing even Mumbai in India.
Scott Hannaford Increasing temperatures are turning the world's male lizards into a pack of girls - literally.
Peter Hannam The status of the Great Barrier Reef has avoided being downgraded by UNESCO's World Heritage Committee but the future of the ecological treasure remains uncertain.
Alex Nussbaum The push for a global deal on climate change picks up speed from Latin America to Asia, with the world's biggest greenhouse-gas emitter and the steward of its largest rainforest pledging new measures to curb warming.
Philip Wen China, the world's biggest emitter of greenhouse gases, has submitted a new carbon intensity reduction target to the United Nations while reaffirming its goal to curb carbon emissions by 2030, or 'even earlier'.
Alex Nussbaum The richest nations still haven't convinced the rest of the world they're willing to pick up the tab to help curb climate change, diplomats warned at a United Nations conference Monday.
ADAM LIPTAK and CORAL DAVENPORT The US Supreme Court on Monday blocked one of the Obama administration's most ambitious environmental initiatives: an Environmental Protection Agency regulation meant to limit emissions of mercury and other toxic pollutants from coal-fired power plants.
K. Rajendran Worsening heat, fodder shortages and the threat of drought are forcing many hard-hit dairy farmers in the Anantapur area of India's southern Kerala state to consider a shift to heat-tolerant dwarf cows.
Peter Hannam Libertarian senator David Leyonhjelm says there is no contradiction between his role on a Senate inquiry into wind farm noise and his leadership of a separate committee investigating the rise of a "nanny state" in Australia.
Tim Loh Peabody Energy Corp., the largest US coal producer, plunged to record lows Friday after Moody's Investors Service downgraded its credit rating.
The revolutionary Solar Impulse 2 aircraft has taken off for a flight over the Pacific Ocean, a spokeswoman says, the most ambitious leg of its quest to circumnavigate the globe powered only by the sun.
ELISABETTA POVOLEDO People from across the religious spectrum come out to back Pope Francis and his encyclical on the environment.
John Elder Coastal developers should be paying to offset air pollution from the tonnes of carbon released into the atmosphere when wetlands are drained and dug up, says marine ecologist Dr Peter Macreadie.
Amina Khan Glaciers might move slowly, but they have their dramatic moments. Scientists tracking glacial earthquakes in Greenland have managed to crack open the mysterious dynamics of calving icebergs.
Tom Arup and Adam Morton 2nd Degree: Australia's next move on climate change is being keenly awaited by everyone from the superpowers to tiny island nations.
A district court ordered the Dutch government on Wednesday to ensure that the Netherlands reduces greenhouse gas emissions at a faster rate than currently targeted.
Peter Hannam Will island nations be able to sue for damages if their lands become inundated by rising sea levels caused by climate change?
Esther Han From a "thinking" fridge to solar windows, the power to create a better environment is at your fingertips.
Iain Wilson A new class of clean energy entrepreneurs is emerging in China and creating fabulous wealth -- $US9.13 billion this year alone. Call them the wildcatters of the solar age.
The government has declared a state of emergency in Karachi, Pakistan's largest southern city, after a heatwave killed more than 700 people there and left thousands fighting for their lives at hospitals.
Homes and businesses in the centre of Adelaide will be offered financial incentives to connect battery storage to their solar power systems.