Today’s key message is this: Without dramatic reductions in greenhouse-gas emissions, most of the planet’s land-based ecosystems—from its forests and grasslands to the deserts and tundra—are at high risk of “major transformation” due to climate change. This comes from a newly published study by an international research team. Climate change […]

Climate Change will dramatically alter ecosystems

marine heatwaves
Land based heatwaves rather obviously involve an increase in air temperature, but since most of the planet is covered by water then we also have something similar in the world’s oceans – marine heatwaves. The concept recently entered the public’s social consciousness when the following was tweeted … Another sea-surface […]

Global Warming increases Marine heatwaves

climate assessment hottest july
Each month the NOAA National Centers for Environmental Information (NCEI) issues a climate assessment for the preceding month. July’s has now been issued. A highlight is that California had its hottest July and hottest month on record at 79.7°F, surpassing the previous record set in 1931. This is not a PR […]

July was hottest Month ever recorded in California

A paper has appeared in PNAS (Proceedings of the National Academy of Science) that is attracting a lot of media attention. Titled “Trajectories of the Earth System in the Anthropocene” it lays out a possibility that we face a runaway climate hothouse. Note the word I’ve underlined. Many of the […]

What does the alpha source for “Hothouse Earth” actually tell us?