Essays / Essay topic: Climate change - global warming / thesis statement [11]

i know the info, but i cant contruct a good thesis, i end up making something vague
or something TOO DETAILED and long which is not required for a thesis

Essays / Essay topic: Climate change - global warming / thesis statement [11]

:S
i have to construct a thesis for my essay, im given a topic, not a thesis,
suggestions would help me as well.