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Tropical Storm Selma formed in the Eastern Pacific Ocean off the coast of El Salvador and NASA infrared satellite imagery revealed the storm has very cold cloud top temperatures indicating the potential for heavy rain.

New study from world’s leading lemur expert paints grim picture for future of dietary specialists

September 2017 saw a spate of solar activity, with the Sun emitting 27 M-class and four X-class flares and releasing several powerful coronal mass ejections, or CMEs, between Sept. 6-10. Solar flares are powerful bursts of radiation, while coronal mass ejections are massive clouds of solar material and magnetic fields that erupt from the Sun at incredible speeds.

What are the best ways for U.S. cities to combat climate change? A new study co-authored by an MIT professor indicates it will be easier for cities to reduce emissions coming from residential energy use rather than from local transportation — and this reduction will happen mostly thanks to better building practices, not greater housing density.

The study analyzes how extensively local planning policies could either complement the Obama administration’s Clean Power Plan (CPP) of 2015 or compensate for its absence. The CPP is intended to reduce greenhouse gas emissions from power plants. In early 2016, a U.S. Supreme Court ruling halted the measure’s potential enactment; the legal case is unresolved and the Trump administration has announced it intends to unwind the CPP.   

Tens of thousands of monarch butterflies that should be in Texas by now, en route to their wintering grounds in Mexico, are still in the northern U.S. and Canada, their migrations delayed due to above-average temperatures and strong winds this fall.