- Faced with rising temperatures and a dearth of American leadership, scientists are investigating geoengineering , which would involve deliberate, large-scale interventions to cool the Earth’s climate. It can take many forms. Solar geoengineering is the most risky and controversial. One way to do it is to emulate the effects of volcanoes. [CleanTechnica]
- Because the land is warming and a food supply is emerging earlier, some familiar bird species arrive from migrations too late to find enough food for their chicks. That’s the conclusion of a recent study of changes in spring “green-up” dates across North America and the arrival dates of spring migratory bird species in those areas. [The Columbus Dispatch]
- Global leaders have been urging President Trump to stay in the Paris climate accord during high level security and economic meetings in Italy. Pope Francis already made the case with a gift of his papal encyclical on the environment when Trump visited the Vatican earlier. Scientists explain what will happen if the US withdraws. [The Independent]
- With climate change, increases in average annual temperatures that may seem small create conditions that dramatically elevate the risk and severity of forest fires, particularly in the American West. Long fire seasons, dry conditions, infestations killing vegetation, and lightning combine to produce dangerous conditions for fires. [CleanTechnica]
- Two fossil fuel industry groups dropped attempts to intervene in a federal court case over climate change this week after failing to reach an agreement on a unified legal position on climate science, court filings show. A group of teenagers is suing the US government for violating their constitutional rights by causing climate change. [The News International]
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