jurassic
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A Chaotic Mars-Earth Planetary Cycle May Have Contributed to One of Earth’s Major Warming Events
New research shows that the Mars–Earth orbital cycle once had a 1.6-million-year cycle that coincided with major climate swings.

The first Earth Day in 1970 ignited a movement to stop polluting our planet. Today, our scientists and experts are tackling the most pressing challenges to achieve real-world impact. This Earth Day, join us in our commitment to realizing a just and sustainable future for our planet. Visit our Earth Day website for ideas, resources, and inspiration.
