Alternativeenergy - using alternative energy such as solar, wind or tidal can reduce the use of fossilfuels
Carboncapture - this is the removal of carbon dioxide from waste gases from powerstations and then storing it in old oil and gas fields or coal mines underground
Plantingtrees - more trees to absorb the carbon dioxide in the atmosphere
Internationalagreements - in 2005 the KyotoProtocol became international law. The countries that signed up to the treaty pledged to reduce their greenhouse gas emissions