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Planetary Boundaries, Food and Humanity

Unsustainable

Ocean: increasing amounts of CO 2 ultimately dissolve in the oceans and forms carbonic acid by altering the ocean chemistry. The increased acidity reduces the number of available carbonate ions. 2009; Steffen, W., There are nine planetary boundaries identified. I invite you to join me there and share your thoughts.

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How cleaning up shipping cut pollution — and warmed the planet

Grist

Yet, it’s had the unintended consequence of ramping up near-term global warming. Unlike its carbon cousin, sulfur dioxide tends to cool the planet by creating aerosols that reflect sunlight while also making clouds brighter. Cutting carbon dioxide is, of course, critical. One of the most common comes from sulfur.

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Why We Need Carbon Capture and Sequestration

Green Market Oracle

Carbon capture and sequestration have often been considered technologies of last resort. As emissions keep rising and global carbon budgets decline, it is becoming increasingly apparent that if we are to stave off the worst of climate change we must deploy and scale these desperate remedies as quickly as possible. Welch, 2019).

Carbon 52
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Stop greenwashing of aviation: 4. biofuels

Low Impact

There are plans for huge “SAF” refineries in Paraguay using soybeans as a feedstock and such fuels are permitted under the Carbon Offsetting and Reduction Scheme for International Aviation (CORSIA) , which is the only internationally agreed policy and runs until 2035.

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A North-Pole, How Much Longer?

Mr. Sustainability

Unfortunately, all kinds of positive (or negative?) This could lead to yet another negative feedback loop that could wreak havoc on the Arctic, drastically increasing the melting of not just sea ice but also Greenland's ice-sheets. Sea Ice extent is going down. feedback loops will cause this melting to possibly accelerate.

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The Meat Industry Is Advertising Like Big Oil

DeSmogBlog

The fact that Mitloehner did not question the amount of greenhouse gas emissions from the livestock sector was overlooked in the subsequent media campaign that claimed that the FAO was wrong to blame global warming on livestock. “He But he uses that to say, ‘Oh, because [livestock’s climate impact] is not a relative problem in the U.S.

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Lost Decade: How Shell Downplayed Early Warnings Over Climate Change

DeSmogBlog

“Harmful Wastes” Shell’s knowledge of the risks posed by the build-up of atmospheric carbon dioxide (CO2) from burning fossil fuels can be traced to at least the early 1960s. National Academy of Sciences that explicitly warned of the risks human-induced global warming could pose to earth’s weather and “ecological balances,” the U.S.