A snapshot of the latest science, published as politicians gather in New York, says climate change is speeding up.
Paul Ramos was in Borneo to film the work being done to save the orangutan population.
Sunday 22 September is World Car Free Day - but in Ethiopia it happens once a month, in cities across the country.
Photographer Edward Burtynsky explains his 40-year quest for striking images of our impact on the planet.
Millions of people join a global environmental strike led by schoolchildren.
Europe's space mission to uncover the secrets of dark matter and dark energy reaches a key milestone.
Speaking on BBC Victoria Derbyshire Drillminister called for the government to act faster with air pollution.
The UK announces projects to power seven million homes with wind power - and no need for subsidy.
Student Gina Hale is one of the protesters taking part in the day of climate action.
Nasa finishes assembling the main structural components for its largest rocket since the Apollo-era Saturn V.
Peter Kallang has been awarded a top environmental prize for a successful campaign to stop a mega-dam being built in Borneo.
The global effort to tackle emissions will be debated at the UN Climate Action Summit in New York.
Germany will embed its Polarstern research ship in sea-ice for a year-long study of the climate.
Bird populations in the US and Asia are "in crisis", according to two major studies.
The reconstructions offer the first glimpse of what the Denisovan looked like.
MarinaTex is an alternative to the single-use plastics such as those used in sandwich packets.
Pacific nations bearing brunt of climate inaction by Australia, US and hosts Japan says Christian Aid study.
Authorities have tried to clamp down on the fires causing the annual haze - so why is it still happening?
Why is human childbirth so long and difficult? Scientists may have the answer from studying fossils.
A new study shows that there's a higher probability for extreme flooding on UK coasts as global temperatures rise.
The climate activist says more needs to be done ahead of a Congress hearing
Astronomers report measurements from a presumed interstellar comet, providing clues about its chemical composition.
Wild relatives of food crops, such as wheat, host an abundant array of genetic material to help the plants cope with a changing climate.
A major research centre says no biological agents have been released from a blast and fire at a lab.
A steel plant in Taranto moves to tackle pollution, but locals say it is too little, too late.
DNA from historical museum specimens may help save the giant salamander from extinction in the wild.
The deep thinning in Earth's protective atmospheric layer is not as extensive as it normally is.
A smoky haze has blanketed the region, an annual phenomenon that affects millions of people.