The extension of the treaty on climate change is "hugely significant", the chief minister says.
Read moreBBC News Science & Environment

Five planets line up with Moon in night sky
Mercury, Jupiter, Venus, Uranus, Mars and the Moon aligned in an arc across the evening sky.
Top Stories

Five planets line up with Moon in night sky
Mercury, Jupiter, Venus, Uranus, Mars and the Moon aligned in an arc across the evening sky.

Video 1 minute 40 seconds
Watch: Bike ride through UK's new super sewer
The new tunnel under the River Thames in London is 25km long was built at a cost of almost £5bn.

'We hardly get by - but it's better than begging'
Companies pay tiny amounts for recyclable waste in Beirut. Deiri Fayyad dives into bins to find it.

Trees grow for extra month as planet warms - study
Scientists compared recent tree growth with detailed notes from a 19th Century Ohio farmer

OneWeb launch completes space internet project
The London firm part-owned by the UK government puts up its final batch of broadband satellites.

Have we found the 'animal origin' of Covid?
Genetic data released by China three years after it was gathered has provided 'the best evidence' of how the pandemic started, scientists say.

Gene-edited food now legal to be sold in England
The law has changed to allow the commercial development and sale of gene-edited food in England.
Featured Contents

Five planets line up with Moon in night sky
Mercury, Jupiter, Venus, Uranus, Mars and the Moon aligned in an arc across the evening sky.

Video 1 minute 40 seconds
Watch: Bike ride through UK's new super sewer
The new tunnel under the River Thames in London is 25km long was built at a cost of almost £5bn.

'We hardly get by - but it's better than begging'
Companies pay tiny amounts for recyclable waste in Beirut. Deiri Fayyad dives into bins to find it.

Trees grow for extra month as planet warms - study
Scientists compared recent tree growth with detailed notes from a 19th Century Ohio farmer

OneWeb launch completes space internet project
The London firm part-owned by the UK government puts up its final batch of broadband satellites.

Have we found the 'animal origin' of Covid?
Genetic data released by China three years after it was gathered has provided 'the best evidence' of how the pandemic started, scientists say.

Gene-edited food now legal to be sold in England
The law has changed to allow the commercial development and sale of gene-edited food in England.

Video 1 minute 40 seconds
Watch: Bike ride through UK's new super sewer
The new tunnel under the River Thames in London is 25km long was built at a cost of almost £5bn.

'We hardly get by - but it's better than begging'
Companies pay tiny amounts for recyclable waste in Beirut. Deiri Fayyad dives into bins to find it.

Trees grow for extra month as planet warms - study
Scientists compared recent tree growth with detailed notes from a 19th Century Ohio farmer
Latest Updates
Video content
Video caption: Trentham Estate welcomes family of beavers A family of Eurasian beavers is settling into new home as part of conservation project.
By Louise Cullen
BBC NI agriculture and environment correspondent
By Tess de la Mare
BBC News
By Jennifer Harby
BBC News
Video content
Video caption: Inside Britain's biggest sewer The new tunnel under the River Thames in London was built at a cost of almost £5bn.
By Lina Sinjab
BBC News, Beirut, Lebanon
By Maddie Molloy and Greg Brosnan
BBC News Climate & Science
Video content
Video caption: 'God saved me': Tornado survivors reckon with destruction Searching through the rubble of a flattened town, Mississippians tell their harrowing stories of survival.
By Katy Prickett
BBC News, East
By Cecilia Daly
BBC News NI Weather Presenter
By Nadine Yousif
BBC News

































