How Trees Try to Cope With Climate Change, December 14, 2015, By Patrick J. Kiger, Discovery News, Warming temperatures and drought are making it tougher to survive.

Indonesia’s Fires Blamed For Potent Greenhouse Gases, January 21, 2016, By John Upton, Climate Central, Indonesian fires that are expected to flare up again in the coming months may affect tem

Tree Rings: Counting the Years of Global Warming, By Liz Smith, YouTube.com, Video length: 7:53.