Scientists in the US have developed way of predicting how likely a person is to live beyond the age of 100.
Attempts to agree a compromise between whaling nations and opponents at the International Whaling Commission meeting fail.
(BBC) Scientific techniques are used to back up the historical chronology of the Egyptian civilisation.
Southern Ocean sperm whales help the oceans absorb carbon dioxide from the atmosphere - through their faeces.
(BBC) Japanese scientists celebrate the successful deployment of their solar sail Ikaros.
(BBC) Former UK chief scientific adviser says "unconventional" oil drilling will pose technological challenges and risks to the environment.
The European Commission threatens to take the UK to the European Court of Justice if the air quality in the country does not improve.
(BBC) The EU is more than half way towards cutting emissions by 20% from 1990 levels by 2020, a report shows.
(BBC) Why Gulf of Mexico oil spill should be a wake-up call
(BBC) There was no scientific malpractice at the unit at the centre of the "Climategate" affair, a panel concludes.
(BBC) Millions of marine turtles have been killed over the past two decades through entrapment in fishing gear, a survey concludes.
(BBC) China overtook the US during 2009 as the leading investor in clean energy, researchers say - with the UK in third place.
(BBC) A UN wildlife trade meeting rejects proposals from two African countries for further sales of ivory, amid concern on poaching controls.
(BBC) The internet has emerged as one of the biggest threats to endangered species, conservationists meeting in Doha say.
(BBC) Spreading iron in the oceans as a climate "fix" could poison marine mammals and birds, scientists show.
(BBC) UN wildlife negotiations begin on banning the trade in bluefin tuna and permitting sales of ivory at a two-week summit in Doha.
(BBC) A radar experiment aboard India's Chandrayaan-1 lunar spacecraft detects large deposits of water ice near the Moon's north pole.
(BBC) Countries can miss the deadline for sending emissions pledges to the UN, as greens mull the latest US election.
(BBC) The decline of honeybees seen in many countries may be due to reduced plant diversity, research suggests.
The global supply of a key anti-malaria drug is set to be boosted by a study of its genes, scientists say.
(BBC) Where climate change is seen as God's will
(BBC) Reconnecting flood-plains to rivers will help reduce the risk of future flooding, a study by US researchers suggests.
UN Secretary General Ban Ki-moon says a US-backed climate deal is a good beginning, but critics dismiss it as a failure.
(BBC) Talks remain deadlocked at the protest-hit climate summit in Copenhagen as world leaders join efforts to seal a deal.
(BBC) Formal negotiations reopen late in the evening at the UN climate summit in Copenhagen after a delay of nine hours.
(BBC) Talks are back on track at the UN climate summit after developing countries won significant concessions following a walk-out.
A senior UK minister issues a warming about acid levels in the oceans as the Copenhagen climate summit resumes.
(BBC) Emissions of some greenhouse gases are substantially higher than companies and countries report, say scientists.
Carbon emissions must fall within a decade to keep the global temperature rise under 2C, the UK Met Office says.
(BBC) The first decade of this century has been the warmest on record, say the UN's World Meteorological Organization.
(BBC) At least 40 world leaders are likely to attend December's UN climate summit in a bid to secure a new global treaty.
(BBC) The recession provides a chance to build a low-carbon future, says the International Energy Agency, if governments act quickly.
Japan's PM-elect Yukio Hatoyama pledges a 25% cut in greenhouse gas emissions by 2020, much more than his predecessor.
(BBC) Project to resurrect the iconic Polaroid camera
The leaders of 10 African countries will meet in Ethiopia to try and agree a common position on climate change.
Parts of India are on track for severe water shortages. according to results from Nasa's gravity satellites.
The longest total solar eclipse this century crosses Asia, with swathes of India and China plunged into darkness.
(BBC) The UN discusses rules aimed at cutting the emission of greenhouse gases from shipping.
(BBC) Almost a third of species of open ocean sharks are under threat of being wiped out by overfishing, say scientists.
Officials are gathering in Madeira to hammer out a deal on whaling, with Japan and Iceland likely to insist on their right to hunt.
(BBC) Construction begins at the site of the world's first commercial spaceport, a project aimed at revolutionising space exploration.
(BBC) Wind farms on the US's high plains could eventually help power the country's coastal population centres, experts say.
(BBC) Chances of a peace deal between pro and anti-whaling nations this year are slim, a report seen by the BBC shows.
(BBC) Engineers work on new ideas to clean up space
Oil firms shelve plans to carry out undersea seismic work to ensure the gray whales' breeding season is undisturbed.
(BBC) EU fishing fleets need major cuts if stocks are to be managed sustainably, the European Commission says.
Forests' role as massive carbon sinks is "at risk of being lost entirely", a global assessment warns.
The trade in orangutans, particularly babies, is taking the Sumatran species towards extinction, a report concludes.
(BBC) An ice bridge that holds in place an ice shelf the size of Jamaica snaps, heightening concern over the impact of global warming.
(BBC) Montserrat's "mountain chicken" frog is the latest victim of the lethal fungus sweeping the world.