The effect of global warming melting the polar ice caps and increasing the volume of water in Earth's oceans.

to be able to reduce itself to nothing organically.

the process or fact of the environment becoming worse

all the organisations concerned with the protection of the environment

behavior or products that do not harm the environment

an ecological crisis a serious situation that occurs when the environment of a species or a population changes in a way that destabilizes its continued survival

plants or animals that only exist in very small numbers, so that in future they may disappear forever

an area of land on which there are a lot of windmills or wind turbines for producing electricity

They're non-renewable energy sources like coal, gas, and oil.

to try to solve the problems related to global warming

These are energy sources that can never disappear, like wind, hydro, and solar.

the process that occurs when a natural habitat, like a forest or wetland, is changed so dramatically by humans that plants and animals which live there.