major reservoirs: biggest sources
biodiversity: wide variety of plants
and animals
deforestation: cutting down trees
urban development: building towns
or cities
at their present rate: at the speed
it is happening now
become extinct: die out so no more
of a species is left
terrestrial and freshwater species: plants and animals
that live on land or in freshwater (rivers and lakes)
harbour: give protection to
flora and fauna: animal and plant
life
major conservation efforts: big projects which protect
the environment