Stanford School of Earth, Energy & Environmental Sciences
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Earth Matters
Science and insights for people who care about Earth, its resources and its environment November 2015
Earth Matters curates research from across Stanford on topics including energy, natural hazards, food, freshwater resources, climate change, and others. This monthly alert notifies readers of the latest material available.
FOOD AND AGRICULTURE
crop productivity of North America measured from space

Measuring crop yields from space

A Stanford-led team has developed a method to estimate crop yields using satellites that can measure solar-induced fluorescence, a light emitted by growing plants. The advance will help scientists study how crops respond to climate change.
EVOLUTION OF EARTH AND LIFE
artist impression of ancient Earth

Life on Earth likely started at least 4.1 billion years ago

Geochemists have found evidence that life likely existed on Earth at least 4.1 billion years ago — 300 million years earlier than previous research suggested.
CLIMATE CHANGE
yellow cedar trees in Alaska

Climate change requires new conservation models

In a world transformed by climate change and human activity, conserving biodiversity and protecting species will require an interdisciplinary combination of ecological and social research methods.
FRESH WATER RESOURCES
mountain stream

Billions face water shortages as snowpack disappears

A new study coauthored by Noah Diffenbaugh finds that as greenhouse gas emissions and global temperatures continue to rise, mountain snowmelt will decrease.
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