Today is the first day of the Earth Matters on Stage Festival and Symposium in Oregon. We wanted to take part, but we didn't want to get on a plane. So we're participating next week with a pre-recorded series of interviews and a live satellite debate.
Earth wouldn’t have ice caps without eroding rocks and quiet volcanoes
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Throughout Earth's history, ice caps have been very rare, but a model of
the past 420 million years suggests an explanation for why they sometimes
form
9 hours ago
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