Tag Archives: feedbacks

Oxygenation of Earth’s atmosphere may not have required a trigger event after all

In Earth history, there have been 3 abrupt jumps in atmospheric oxygen. A evolutionary or tectonic trigger is usually invoked, but a new study just published in Science suggests all you need is gradual oxidation of earth’s surface plus feedbacks … Continue reading

Categories: Archean, climate science, deep time, geochemistry, geology, Palaeozoic, past worlds, Proterozoic, society

Air conditioning as a positive climate feedback?

Could our need to cool ourselves increase our need to cool ourselves? Continue reading

Categories: climate science, environment, society