1. Ecology;Cain,2014
2. International Energy Outlook 2016 with Projections to 2040;EIA,2016
3. Carbon Through the Seasons;EPA,2012
4. State of the World’s Forests. Forests and Agriculture: Land-use Challenges and Opportunities;FAO,2016
5. Global Forest Resources Assessment 2015, How the World Forests Changing;FAO,2016