'Auto emissions' diaporamas de présentation

Air Pollution

Air Pollution. The atmosphere. Composition: 78% N2, 21% O2 and 1% CO2, other gases and water vapor Sources of natural air pollutants include volcanoes, forest fires, plants, and soil Sources of anthropogenic air pollutants include transportation, energy production, and industry. .

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Indiana Department of Environmental Management

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441 views • 42 slides

Local Government Partners with Schools to Celebrate International Walk to School Day

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Not Just Your Footprint, But also what you step in!

Not Just Your Footprint, But also what you step in!. Proven Solutions and winning with Life-cycle strategies. Carbon Offset Initiatives. Hadi Dowlatabadi Canada Research Chair Institute for Resources Environment & Sustainability The University of British Columbia & Offsetters.ca.

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