NEW graduate students enrolled in E4A’s cohort 3!
Sugar maple trees needed to be planted by each of us to offset carbon emissions
Sugar maple trees you need to plant to offset your carbon emissions
Increase in global CO2 emissions since 1970
Number of years until Arctic is free of sea ice in September
(unless we make BIG changes now!)
Average decline in population sizes of marine species over last 40 years
The multiple of current species extinction rate relative to pre-human rate