Technique that sprays water in air to bring rain

Clouds form when water droplets gather on dust or other particles in the air. Increasing the amount of salt particles in the atmosphere allows more of these water droplets to form the clouds denser and more reflective.

Global temperatures to go up by at least 4 degrees Celsius by 2100

Researchers have found that global climate would rise by at least 4 degree Celsius by 2100 and by more than 8 degree Celsius by 2200 if carbon dioxide emissions are not cut down.

May global temperatures third warmest on record: US

Global temperatures last month tied with 1998 and 2005 as the third warmest for a month of May since record-keeping began in 1880, US scientists said today.

Global temp set to rise 3.5 degrees C by 2035

Global temperatures are expected to rise 3.5 degrees C over the next 25 years, the IEA has said.

Global temperatures in 2010 warmest on record

Average global temperatures from January to June 2010 have been the warmest since records began in 1880, the US Oceanic and Atmospheric Administration said Friday.

2010 is warmest ever in recorded history

In the first four months of 2010, an average temperature of 13.3 degrees
Celsius has been recorded.

Global temperatures hit `hottest March on record`

Global temperatures fueled by El Nino seasonal warming last month chalked up the hottest March on record, US weather monitors reported.