If you stepped into an elevator and had 2 minutes to explain some aspect of climate science to someone, could you do it? Most people lack the time to become fully informed on this critical issue. The science is complex and varied. Here are 28 quick pitches to help you better understand this issue which we should all be concerned about.

Chapters

01 ancient sunlight 
02 radiative gases 
03 the greenhouse effect 
04 the carbon cycle
05 the climate system
06 condensing and non-condensing gases
07 trace gases
08 solar irradiance
09 volcanoes
10 silicate rock weathering
11 rising CO2 concentrations
12 tipping points
13 geological evidence of CO2 effects
14 glacial-interglacial cycles
15 temperature data sets
16 temperature reconstructions
17 extreme weather
18 tropospheric hot spot
19 ocean warming
20 sea level rise
21 ocean acidification
22 permafrost and methane clathrates
23 polar amplification
24 glaciers
25 greenland ice sheet
26 arctic sea ice
27 antarctic sea ice
28 antarctic continental ice sheets