Lethal consumption

Benzene-eating microorganisms isolated

Purifying wetlands

Climatic susceptibility

Temporary gain

Universal dump

Diversity: not a sure winner

Diversity of species doesn't always help the ecosystem stage a comeback after degradation

Caged minks' dream

Bacteria eat sulphate

This can be a cheap solution for the arsenic menace

Tall claim

US nitrogen oxide emissions have reduced: EPA

Sawdust scrounger

To remove toxic dye

On the tiger's trail

Camera-trapping could augur for a more reliable method Of tiger census

Antarctic assault

The scourge of pollution has not spared even the icy continent

Micturition muddle

Golddiggers

Top of the charts

The long and short of it

A mouthful

Soil that is not soiled

More and faster

Life before life

Crack down

Icy relief

A mammalian problem

All for a smoke

Cultivation and production of tobacco is consuming forests in southern Brazil

Costing the waste