Altogether, researchers estimate that 50,000 species have invaded the United
States as a result of human activities.
Not exact matches
Deserts are expanding
as a
result of inappropriate
human activity in Africa, south - central Asia, Australia, the western United
States and southern South America.
The world's experts have
stated that the global warming is largely due to
human activity — primarily
as the
result of reliance on fossil fuels.
The major greenhouse gases the United
States emits
as a
result of human activity and that are included in U.S. and international emissions estimates are: