Alok Jha

In science fiction stories, antimatter pops up everywhere as a power source for spaceships or the active ingredient in diabolical bombs.

Cut back on tuna and salmon and load your plate instead with herring and sardines if you want to help save the world’s fish.

Scientists urge the world’s leaders to get serious about cutting carbon dioxide emissions during the upcoming climate summit, reports Alok Jha.

Fed up with rising energy bills and an uncomfortable home, Rose Watson took some simple steps to green her home, with a positive effect on her budget.

Vast greenhouses that use sea water for crop cultivation could be combined with solar power plants to provide food and fresh water in deserts.

The oceans off the Antarctic peninsula are some of the most mysterious on the planet. A thick cover of ice has concealed what life they contain for the past few millennia. But with the rise in global temperatures, speeded by the gaping hole in the ozone layer above Antarctica, some of these ice sheets have collapsed.