if every nation agrees to limit co2 emissions, we can achieve significant cuts on a global scale.
if every nation agrees to limit co2 emissions, we can achieve significant cuts on a global scale.
2009 united nations climate change conference:37
to cut carbon emissions by 25% below 2000 levels by 2020 if the world agrees to an ambitious global deal to stabilise levels of co2e to 450 ppm or lower.