Here are the latest science and environmental stories from the BBC in London.
Views expressed in this post are those of the reporters and correspondents.
Content provided by the BBC in London.
Accessed on 04 December 2020, 1823 UTC.
Please click link or scroll down to read your selections.
BBC News Science & Environment
UK’s 68% climate change target a ‘huge challenge’
The “ambitious” target for 2030 would see the UK move faster than any major economy, the PM says.
Rocks from an asteroid set for delivery to Earth
A Japanese spacecraft is set to deliver its precious sample cache to the Australian outback.
China’s Chang’e-5 mission leaves Moon’s surface
The robotic probe lifts off from the lunar surface carrying samples of rock and dust to send to Earth.
Nasa to pay company $1 to collect rocks from moon
The US space agency has awarded two American and one Japanese firm contracts to pick up lunar soil.
The moment the huge Arecibo radio telescope collapsed
Video shows one of the world’s largest telescopes at Puerto Rico’s Arecibo Observatory crashing down.
Antarctic place names recognise ‘modern explorers’
Maps will feature peaks and glaciers named after British individuals who’ve advanced polar science.
Gaia ‘discovery machine’ updates star catalogue
The world’s most productive astronomical facility releases its third big tranche of sky data.
Our Planet Now
Humans waging ‘suicidal war’ on nature – UN chief
World’s biggest iceberg is fraying at its edges
Electric cars: Your questions answered
John Kerry named as Biden’s climate tsar
WWF vows to ‘do more’ after rights abuse reports
China’s Moon mission returns colour pictures
Polar scientists wary of impending satellite gap
Nasa ‘megarocket’ assembly begins in Florida
‘Dog kennel’ satellite blasts off on ocean mission
OneWeb satellite company is officially reborn
Death by DNA
Has DNA technology advanced so far that a rogue scientist, or even a competent terrorist, could assemble a deadly pathogen from genetic sequences bought by mail order?
Parts of Scotland experienced a rare meteorological phenomenon early on Friday morning – thunder snow. Nick Miller explains what it is.
Residents of Scotland were woken up last night by a strange sound which some thought was an explosion. It turned out to be thunder snow, an uncommon meteorological phenomenon.
A charity is appealing to rehome two cats who have spent five years in rescue centres.
By Paul Rincon
Science editor, BBC News website
By Roger Harrabin
BBC environment analyst
China declares war on food waste
With its deep and complex relationship with food, how will this pan out?
By Justin Harper
Business reporter, BBC News
Hundreds of people reported being woken by the weather phenomenon known as “thundersnow”.
Stranded giraffes in Kenya floated to safety
A race against the clock to move eight giraffes from rising floodwaters.
By Laurence Peter
By Jonathan Amos
BBC Science Correspondent