Washington: Sulphur dioxide emissions from moderate volcanoes around the world can mask some of the effects of global warming by 25%, a new study has found.

When Toshitsugu Fujii became head of a Japanese task force on disaster response at Mount Fuji, he was confronted with a startling oversight.

Desert sand, sea salt, volcanic ash and other forms of natural pollution are adding to rising levels of man-made dirt sullying the air and making it harder, especially for Mediterranean countries,

One idea for fighting global warming is to increase the amount of aerosols in the atmosphere, scattering incoming solar energy away from Earth's surface.

Guatemala's Fuego volcano belched burning lava and black ash into the sky early Saturday, leading the government to issue an airplane advisory and close sections of highway.

The world's oceans are turning acidic at what could be the fastest pace of any time in the past 300 million years, even more rapidly than during a monster emission of planet-warming carbon 56 milli

The National Centre for Antarctic and Ocean Research (NCAOR) Research Director, Rasik Ravindran, pegs climate change studies as the most significant from the perspective of future.

A strong 6.8 earthquake hit the central Philippines on Monday but there was no danger of a widespread tsunami, seismologists said.

The quake hit 70 kilometres (44 miles) north of the city of Dumaguete on Negros Island at 11:49 am (0349 GMT) at a depth of 46 kilometres, the US Geological Survey said.

A 5.3-magnitude earthquake rattled the northern tip of Indonesia today, geologists said, but there were no immediate reports of damage.