Все предложения начинаются с I, просто не вместилось. Заранее

Climate change is a real problem, but its 1) importance has been 2) grossly exaggerated. It's far less important than other social problems such as povetry, infectious diseases 3) deforestation, and 4) extinction of species, not to mention war, nuclear weapons and 5) biological weapons. We don't know whether the observed climate changes are, on balance, good or bad for the health of the biosphere. And the effects atmospheric carbon dioxide as a 6) effects on fertilize (здесь опечатка)  of plant 7) growth are at least as important as its effects climate. So, we agree that more research is needed to improve 8) scientific 9) understanding of global 10) warming.