15 May 2019

A noted oceanographer once quipped that if you gave him a tanker half-filled with iron, he could give you an ice age. He was only half-joking. Adding iron to the ocean can cause blooms of algae, which have the potential to take huge amounts of carbon dioxide out of the air and by so doing, […]

15 May 2019

Most of you noted the regular seasonal fluctuation. Commenter 21stCenturyCaveman went for “sun screen or ice cream sales, reported bi-monthly, because it peaks every summer. could also be fishing tackle sales receipts or insect repellent sales.” Commenter TheProspector agreed: “Amount spent on sunscreen, by month.” Many of you guessed something related to monthly CO2 levels […]

15 May 2019

Airline emissions make up 2.5 percent of annual CO2 emissions — but they weren’t part of the 1997 Kyoto Protocol. Here’s a run-down of what a new cap on aviation emissions will — and won’t — achieve. On Oct. 6, countries established new rules to reduce greenhouse-gas emissions from aviation. The International Civil Aviation Authority […]

15 May 2019

Last week, President Obama released a plan to cut carbon emissions from power plants. Climate change has also been cropping up on the presidential campaign trail — both Hillary Clinton and Bernie Sanders have released their own proposals. Nearly three-quarters of Americans now favor government action on climate change, but the candidates — and big […]

15 May 2019

On the surface, Pacific Gas & Electric’s recent decision not to seek to renew its U.S. Nuclear Regulatory Commission operating licenses that expire in 2024 and 2025 — for two nuclear reactors at the Diablo Canyon power plant in San Luis Obispo County — makes sense for a variety of reasons. The fracking revolution in […]

15 May 2019

Austin Docter has worked at a shellfish plant in Shelton, Wash., for 18 years and has a lot of words to describe what he calls the flavor profiles of oysters: Minerally. Metallic-y. Sweet. Buttery. “Wherever oysters are grown, they take on the characteristics of the algae and water that they grow up in,” Docter says. […]

15 May 2019

Everyone knows that the weather this summer in the United States was a disaster. Temperature records fell faster than knickknacks off a broken bookshelf across much of the country. Vast swaths of the nation were facing “extreme” or “exceptional” drought conditions. And while it is impossible to say with certainty if any particular weather event […]