Oliver Tickell

Tropical timber tied up in British red tape

Technology

Technology: Fire-fighters find gas that's easy on ozone

Hospital waste: a case for treatment - Dirty old incinerators are the dumping grounds for most clinical waste. Tougher laws are putting pressure on Britain's hospital managers to clean up their act

Pollution verdict makes legal history

Forest clearance threatens 'treasure island'

Forum: Conflict looms over troubled waters - Who is paying for the water to be drawn from the well

Review: Timber and destruction

Technology

Technology: Some light bulbs are less green than they seem . . .

Up in the air: Two new families of chemicals, the HFCs and the HCFCs, are being introduced as benign replacements for ozone-damaging CFCs. But scientists are still unsure of what the substitutes might do to the terrestrial environment

Forum: A nasty case of white lice - Which is the worst of two evils