Researchers established that tiny life forms were thriving in a lake beneath 800 metres of pack ice, despite not seening sunlight or fresh air for around a million years.

A strong stance on climate change by New Zealand could inspire and embarrass other nations into following our lead, says a world-renowned climatologist.

Plans to build the world's largest solar power plant have been scrapped after the Australian govt's commitment to clean energy questioned.

Hundreds of people living in the Torres Strait face the prospect of having to leave their homes in the coming decades as rising seas engulf their low-lying islands.

Australia's decision to repeal its levy limiting fossil-fuel pollution makes it the first nation to turn back from a market approach to fighting global warming.

The New Zealand Government talks about the importance of science but ignores the most critical threat to life on Earth since the advent of nuclear arms, writes Lucy Lawless.

A lobby group has challenged the next government to introduce a climate change act that would galvanise promises to cut greenhouse gas emissions.

Global warming is melting sea ice so fast that more than half of Antarctica's population of emperor penguins are set to be wiped out by the end of the century, according to alarming new research saying they should be listed as an endangered species.

This winter was not a good one for farmers in the Fertile Crescent.

Everyone now knows borrowing too much is a bad thing for any household or economy. If borrowing rises faster than income, eventually the bubble of debt will burst.

Odd couple barely does them justice. One is the planet's most celebrated climate warrior, the other a mining baron who plans to export enough coal to turn Asian skies black.

Take a swim with a polar bear family as they traverse the Arctic Ocean in search of sea ice. To learn more about the Arctic Exploration Fund visit: http://www.arcticbearproductions.com Courtesy YouTube/GoPro

A hundred times I tried to turn down the Herald guest editorship. But eventually their persistence and my hunger for new challenges won out. And maybe I could do some good?

Scientists are being told to use art and poetry to win public support in the battle to curb climate change.

If John Key expected to be asked the soft questions when he bowled up for Question Time with school children in Niue yesterday, he was sorely disappointed.

Our promises around climate change policies are just hot air. The minister may not be Stan (he is Tim Groser), but he still needs a plan.

Humanity has pushed the planet to the brink of a dinosaur-scale sixth mass extinction, a new study has warned.

The aviation industry is awake to the threat of climate change even if politicians are not, said Auckland International Airport executive Martin Fryer.

Sea ice, winds and invertebrates will go under the microscope in the next stage of a major science programme turning to Antarctica to answer crucial questions about how the Earth will respond to climate change.

American scientists are attempting to breed chickens that can cope with scorching heat as part of a series of government-funded programmes.