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What are ‘planetary boundaries’ and why should we care?

Envirotec Magazine

We’ve done it already in the 1990s, when international cooperation quickly phased out ozone-depleting chemicals and stopped the dangerous ozone hole from getting ever-bigger. We are still in the green for ozone-depleting chemicals. Ocean-acidification is still, just, in the green, and so is aerosol pollution and dust.

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Understanding the Anthropocene, Resilience Thinking, and the Future of Industry

Green Business Bureau

These indicators, including but not limited to carbon dioxide, methane, ocean acidification, tropical forest loss, population, GDP, water use, and transportation, have reached the point past natural variation, showing indisputably that the Earth is in a different state than before. .

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Inside the University of Chicago’s controversial solar geoengineering initiative

Grist

Possible negative impacts may include changing regional weather patterns — creating or shifting areas of drought or regions that receive extreme precipitation — or altering tropospheric chemistry and ocean circulation patterns. Partially blocking the sun’s rays could interfere with normal plant processes and reduce agricultural yields.

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Video Storytelling: 20 Best Climate Change and Sustainability Documentaries (Plus How To Tell Your Green Story)

Green Business Bureau

These include climate change, biosphere integrity (functional and generic), land-system change, freshwater use, biogeochemical flows (nitrogen and phosphorus), ocean acidification, atmospheric aerosol pollution, stratospheric ozone depletion, and the release of novel chemicals.