Coral bleaching could hit three quarters of world's reefs

The majority of coral reefs could be experiencing mass bleaching events by 2045, says an international team of scientists.

Model predicts more snow at the poles

Most of us will see less snow over the coming years - but polar and high-altitude regions will get more, a new climate model from the National Oceanic and Atmospheric Administration (NOAA) predicts.

US coastal areas 'at risk'

Climate change is threatening the health and safety of US coastal communities, according to a report.

2012 was US's hottest year on record

Last year was the warmest on record for the contiguous United States, say NOAA scientists, with an average temperature of 55.3°F - 3.2°F above the 20th century average, and 1.0°F above 1998, the previous warmest year.

The 11 'billion-dollar' weather disasters of 2012

The National Oceanic and Atmospheric Administration (NOAA) has released a preliminary list of the most extreme weather events in the US of 2012.

Ocean acidification is already dissolving shells

The first hard evidence has emerged that the shells of marine snails in the seas around Antarctica are being dissolved by ocean acidification.

Antarctic ozone shows big improvement

The hole in the ozone layer over the Antarctic was the second smallest in the last two decades, data from NASA and the National Oceanic and Atmospheric Administration (NOAA) satellites shows.

Endangered whale threatened by noisy ships

Noise from ships has cut the ability of critically-endangered North Atlantic right whales to communicate with each other by about two-thirds.

Global warming may be caused by reservoirs, dams

Scientists have discovered another potential cause of global warming.

July is US' hottest-ever month

According to NOAA scientists, the average temperature for the contiguous US last month was 77.6°F - 3.3°F above the 20th century average.

Perseid meteor shower will hit peak on Saturday

If you want a good look at a meteor shower, you'd better head outside this Saturday.

Oceans, forests absorb 50% of our carbon footprint

If you think we're emitting a lot of carbon dioxide, you have no idea.

Prepare for more extreme weather, say scientists

Climate change is set to trigger more extreme weather events around the world, an international team of scientists claims.

Huge solar eruption to reach Earth today

The strongest solar radiation storm to hit the Earth since 2005 is set to peak this morning.

Greenhouse gases continue to rise, says NOAA

The NOAA's latest Annual Greenhouse Gas Index (AGGI) shows that the presence of gases such as carbon dioxide and methane has risen by 29 percent since 1990.

Antarctic ozone layer still has big hole

There's still a considerable hole in the Antarctic ozone layer, say scientists, with this year's peak the ninth largest in the 26 year record.

Atmospheric aerosols slow global warming by a third

Airborne particles from volcanoes and the burning of fossil fuels have reflected enough sunlight to offset about a third of the current climate warming caused by carbon dioxide over the past decade, says the NOAA.

NOAA cleared of data misuse

An independent federal review has concluded that scientists at the National Oceanic and Atmospheric Administration did not manipulate climate data to shore up the evidence for global warming.

Global temperature hits record levels

Last year tied with 2005 as the warmest year on record, according to data from the National Oceanic and Atmospheric Administration (NOAA).

Atmosphere 'pretty good' at cleaning itself

The earth's atmosphere seems to be better at ridding itself of pollutants than had previously been realized.