Emissions from human activities, and primarily fossil fuels, contribute to climate change, global warming and the greenhouse effect. This is primarily from industry, energy, transportation and related sectors.
Using this item and referring to it is encouraged, and please use
it in presentations, web pages, newspapers, blogs and reports.
For any form of publication, please include the link to this
page and give the creator credit
(in this case Philippe Rekacewicz, UNEP/GRID-Arendal)
If the high-resolution file is not available, please contact
firstname.lastname@example.org for request and
permission for usage.