Earth may be near tipping point, scientists warn
Thursday, June 7, 2012 - 16:30
in Earth & Climate
A group of scientists warns that population growth, climate change and environmental damage are pushing Earth toward calamitous and irreversible changes.A group of international scientists is sounding a global alarm, warning that population growth, climate change and environmental destruction are pushing Earth toward calamitous — and irreversible — biological changes.