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Studies find global COVID-19 lockdowns have significantly reduced PM2.5 and NO2 pollution, but ozone up

Green Car Congress

Levels of two major air pollutants have been reduced significantly since lockdowns began in response to the COVID-19 pandemic, but a secondary pollutant—ground-level ozone—has increased in China, according to new research. Ozone is harmful to humans at ground-level, causing pulmonary and heart disease. —Guy Brasseur.

Ozone 291
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WMO reports GHG concentrations at highest in 800K years

Green Car Congress

Concentrations of carbon dioxide in the atmosphere surged at a record-breaking speed in 2016 to the highest level in 800,000 years, according to the World Meteorological Organization’s Greenhouse Gas Bulletin. Globally averaged concentrations of CO 2 reached 403.3 Globally averaged concentrations for CO 2 reached 403.3

2016 186
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Climate Expert: Don't Call It Geoengineering

Cars That Think

If they meet all the pledges they've made for emission reductions by 2030, global temperature rise will be at 2.4° Many people see such actions as "playing God," and worry about the unintended consequences of meddling with nature on a global scale. Hardly the breakthroughs we need to stave off disaster. How do you guys respond to that?

Climate 143
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Lancet Series Finds That Cutting Greenhouse Pollutants Will Have Major Direct Health Benefits Worldwide

Green Car Congress

Carefully choosing how we reduce greenhouse gas emissions will have the added benefit of reducing global health inequities. Smith, professor of global environmental health at UC Berkeley and principal investigator in the United States for the overall research effort. —Kirk R.

Pollution 210
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UN Review of Recent Climate Research Concludes That Impacts Of Climate Change Coming Faster Than Anticipated

Green Car Congress

The report released by the United Nations Environment Programme (UNEP), entitled Climate Change Science Compendium 2009 , highlights new research that identifies some events thought likely to occur in longer-term time horizons as already happening or set to happen far sooner than had previously been thought. Earlier post.).