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?

evidence of seasonal trends
How do we know that humans are responsible for Global warming, or that there is in fact any Global warming at all, what evidence do we have? There are in fact several lines of evidence. We know that certain gases such as CO2 are greenhouse gases. This is been an […]

‘Powerful evidence’ of global warming’s effect on seasons found in troposphere

atlantic circulation
The plot of the 2004 movie, The Day After Tomorrow, is that the Atlantic Ocean Circulation which carries warm water North suddenly stops and plunges the entire Northern Hemisphere into an Ice Age almost overnight… er yes, well it’s just a movie. What is actually going on with the Atlantic […]

Does a slowing Atlantic Ocean Circulation increase Global Warming?

barents sea
Roughly about one year ago I was writing about a study that appeared in Science concerning fundamental changes within the Arctic Ocean. Today I have an update on that. A new study has been published in Nature titled “Arctic warming hotspot in the northern Barents Sea linked to declining sea-ice import“. […]

‘Atlantification’ of Arctic Barents sea tipping it towards new climate regime