A few links to maps on environmental (and related) subjects.

• A project by Dutch scientists to measure European air pollution using NASA’s Aura satellite. Some pages in Dutch. Via Treehugger.
• The Center for Sustainability and the Global Enviroment has a set of maps and datasets, including an Atlas of the Biosphere with human-impact, land-use and ecosystem maps. Via Cartography.
• Also via Cartography, the Atlas Climático de la Península Ibérica — a climate atlas of Spain and Portugal.