Is climate change a man-made phenomenon ?

[lucbac65 Profilo]

English http://www.footprintnetwork.org/en/inde ... _what#here

[lucbac65 Profilo]

English http://www.treehugger.com/renewable-ene ... talks.html

[lucbac65 Profilo]

English http://link.huffingtonpost.com/view/55a ... z/48abca53

[lucbac65 Profilo]

English http://www.treehugger.com/health/worlds ... nched.html

English https://air.plumelabs.com/

[lucbac65 Profilo]

English http://www.huffingtonpost.com/entry/cli ... mg00000003

[lucbac65 Profilo]

English http://www.stumbleupon.com/su/9swxfk/:p ... -emissions

[lucbac65 Profilo]

English http://www.treehugger.com/environmental ... evels.html

[lucbac65 Profilo]

English http://interestingengineering.com/will- ... medium=%24

[lucbac65 Profilo]

English http://www.treehugger.com/climate-chang ... e-gas.html

[lucbac65 Profilo]

English http://www.treehugger.com/natural-scien ... toxic.html

[lucbac65 Profilo]

English http://www.treehugger.com/environmental ... -deal.html

English http://www.treehugger.com/cars/ford-inv ... -2020.html

But also http://www.treehugger.com/cars/modest-p ... -cars.html

[lucbac65 Profilo]

English http://www.huffingtonpost.com/entry/el- ... mg00000003

[lucbac65 Profilo]

English http://www.gizmag.com/nasa-satellite-da ... e-91970357

[lucbac65 Profilo]

English http://www.huffingtonpost.com/entry/cor ... mg00000003

[lucbac65 Profilo]

English http://www.treehugger.com/energy-disast ... aster.html