BBC

Climate change could make the problem worse, multiplying the misery for displaced people.

The "grandmother effect" was even stronger with grandmothers that had gone through the menopause.

A new study ranks the importance and vulnerability of high-mountain stores of water.

Sumatran tigers are critically endangered - with fewer than 400 believed to be left in the wild.

The science broadcaster explains why he's been delving into the lives of some extraordinary scientists.

The outcome of the COP25 UN climate conference in Spain will influence the event in Scotland next year.

Political posturing is harming attempts to address key issues at the UN climate talks, participants say.

Which business sectors will be winners and losers when, and if, climate change policies take affect?

The Norwegian-South African duo met up with a rescue team as they were dangerously low on food.

There are concerns tyre infill from sports pitches is ending up in waterways and harming wildlife.

The Seychelles has swapped 5% of its national debt for a cash injection to fight climate change and save its ocean.

Your questions answered: The environment, wildlife and climate change.

A warmer world means oceans are able to hold less dissolved oxygen, which is bad news for many fish.

Friends of the Earth rates the party above the Greens and Lib Dems in its environment policy survey.

A climate system in the Indian Ocean, known as the dipole, is behind extreme weather events in East Africa and Australia.

With insect populations in decline, a study shows how gardens can support beetles, spiders and the like.

From renting your tree, to sponsoring a turkey, a growing number of people are having a greener Christmas.

Land speed record holder Andy Green describes his final high-speed test run in the Bloodhound car.

Life has changed a lot for the environmental activist in the space of a year.

As Sydney gets a brand new zoo, animal experts question what we really learn from visiting captive animals.