kerbside collection

Collection of household recyclable materials (separated or co-mingled) that are left at the kerbside for collection by local council services.


keystone species

 A species that has a disproportionate effect on its environment relative to its abundance, affecting many other organisms in an ecosystem and help in determine the types and numbers of various others species in a community.


Kyoto Protocol

Kyoto Protocol - An international agreement adopted in December 1997 in Kyoto, Japan. The Protocol sets binding emission targets for developed countries that would reduce their emissions on average 5.2 percent below 1990 levels.


Kyoto Protocol

 An international agreement adopted in December 1997 in Kyoto, Japan. The Protocol sets binding emission targets for developed countries that would reduce their emissions on average 5.2 percent below 1990 levels.