Points to Consider
- Nearly all climate scientists agree that human activities are causing the accelerated
warming of the planet that we see today. Why do you suppose that the media is
still talking about the controversy in this idea when scientists are almost entirely in
agreement? - If greenhouse gas emissions must be lowered to avoid some of the more serious con-
sequences of global warming, why have humans not done something to lower these
emissions instead of letting them increase? - In what ways can progress be made in reducing greenhouse gas emissions? Think about
this on a variety of scales: for individuals, local communities, nations, and the global
community.
Image Sources
(1) http://en.wikipedia.org/wiki/File:Garrigue_2007-09-20.JPG. CC-BY 2.0.(2) NOAA.http://en.wikipedia.org/wiki/Image:Enso_normal.png. Public Domain.(3) The tundra biome is shown in this map.. Copyleft.(4) http://commons.wikimedia.org/wiki/File:
Atmospheric_CO2_with_glaciers_cycles.gif. Public Domain.(5) http://en.wikipedia.org/wiki/Image:800px-tropical_wet_forests.png. Public
Domain.(6) NASA.http://en.wikipedia.org/wiki/Image:
Antarctica_6400px_from_Blue_Marble.jpg. Public Domain.(7) http://en.wikipedia.org/wiki/Image:ITCZ_january-july.png. Public Domain.(8) NASA.
http://en.wikipedia.org/wiki/Image:IntertropicalConvergenceZone-EO.jpg.
Public Domain.(9) http://en.wikipedia.org/wiki/Image:
Global_Carbon_Emission_by_Type_to_Y2004.png. CC-BY-SA 3.0.(10) NASA.http://en.wikipedia.org/wiki/Image:Sahara_satellite_hires.jpg.
Public Domain.
(11) http://en.wikipedia.org/wiki/File:Kerguelen_RallierDuBatty.JPG.
GNU-FDL.
