1.   Environmental campaigners want shoppers to leave their cars behind and use public transport instead.

2.   Environmental campaigners say that tougher controls on pollution from cars have been watered down because of pressure from the car industry.

3.   Environmental campaigners led by Greenpeace responded by calling for an immediate ban on the production of ozone-depleting chemicals, notably chlorofluorocarbons.

4.   The UK High Court has ruled against environmental campaigners attempting to stop two major road schemes.

5.   Environmental campaigners have won their battle to stop a bypass being built across ancient water meadows.

6.   Environmental campaigners constantly try to bring their cause to the attention of a wider public through protests, marches and debate.

7.   After starting out as an environmental campaigner, she worked at ethical fund management firm Franklin Research and Development in Boston, Mass.

8.   But Clapp and many other environmental campaigners are quick to argue that only government action to restrict greenhouse gases will ultimately be sufficient to spur adequate changes.

9.   But American negotiators, and some environmental campaigners, say this would allow countries simply to buy their way out of obligations.

10.   But that has not satisfied foreign leaders and environmental campaigners who say computer simulations would offer much the same information.