Super ant territory

Mercury rising

Where there is smoke

Forest fires could have unexpected effects on the world's climate

Searing heat

Global temperature to rise by alarming 2-4C

Early destruction

Water-cooled

Bleached corals

Heat and dust

Dust aggravates drought in Africa

Toxic Spanish chicks

Late cherry blossom

Evidence of climate change emerges from Japan

Trail of dust

Where water flows

The fittest survive

Warming threatens buildings

Culling the captive

Troubled waters

Extremely polluting form of phosphorus neglected by research

Colour display

Using microbes to detect metals in effluents

Rain revelation

New study stresses air currents within clouds are crucial

New arsenic filter

Removes pathogens and impurities, too

Nitrogen threatens biodiversity

Atmospheric levels damagingly high in developing world

Torrid times

The 20th century was the hottest in 1,200 years

Benevolent bacteria

Aerosol advantage

Scientists claim that sulphate aerosols reduce global warming

Pollinators in peril

Frozen for reuse