پایداری جهانی: آینده زمین در دست ماست -‏ قسمت ۲ از ۲

Over the last 50 years, we've actually exponentially moved in the wrong direction, for the last ten thousand years. But equally, that what we do over the next 50 years will determine our outcome for the next ten thousand years. As Dr.Rockstrom shares his insights on how we can restore the health of our precious planet. That we need to peak emissions of greenhouse gases no later than 2020. Must take us to a net zero carbon economy by mid-century. Let's hope we do so.