After warming up, problem is that now people realizes the world is aware of this problem and more. So it turned to social and environmental issues and more.
After the global warming issue will realize that this person is aware of the changing global and more aware of this problem. Socially and environmentally conscious, so much more.
After the problem of global warming will notice that nowadays people realizes the change of the world and realize this problem more and more. It focus on society and environment more and more!