== How to Avoid a Climate Disaster ==
=== The Solutions We Have and the Breakthroughs We Need ===
=== Bill Gates 2021 Knopf / 363.7387 GAT Beaverton Library ===

 .p69  Life cycle assessment of dams.  Inundating carbon in soil makes methane.  Some dams can be worse emitters than coal for 50 to 100 years.
  . Nathan P. Myhrvold and Ken Caldeira, "Greenhouse Gases, Climate Change, and the Transition from Coal to Low-Carbon Electricity," ''Environmental Research Letters'', Feb. 16, 2012, iopscience.iop.org

 .p100 US 1901-2000 4.3E9 tons of concrete ... China 2001-2016 25.8e9 tons of concrete
 .p104 2.8 GT of steel, 5 GT of CO₂  ... ton of cement, ton of CO₂ 
 .p107 ton of ethylene, 1.3 tons of CO₂