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.

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

Not long after the Malaysian Airlines flight MH370 was declared missing, the world's attention was focused on a remote, poorly known area of the Eastern Indian Ocean as the possible location of the lost aircraft.

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?

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.

The competition for "ultimate selfie" is heating up in the name of climate change. Nasa has compiled more than 36,000 of the photographs to make its Global Selfie with Earth Day.

The Antarctic ice sheet is disappearing at twice the speed of when it was last surveyed, losing 159 billion tonnes of ice to the ocean every year.

Climate change is a mega-trend that will affect countries creditworthiness, and New Zealands worse than most, says Standard & Poors.