Global pollen samples reveal vegetation rate of change

Ancient pollen samples and a new statistical approach may shed light on the global rate of change of vegetation and eventually on how much climate change and humans have played a part in altering landscapes, according to ...

New tool visualizes nature's benefits worldwide

Nature supports people in critical ways, often at a highly local level. Wild bees buzz through farms, pollinating vegetables as they go. Nearby, wetlands might remove chemicals from the farm's runoff, protecting a community ...

New source of global nitrogen discovered

For centuries, the prevailing science has indicated that all of the nitrogen on Earth available to plants comes from the atmosphere. But a study from the University of California, Davis, indicates that more than a quarter ...

Evidence of impending tipping point for Earth uncovered

A prestigious group of scientists from around the world is warning that population growth, widespread destruction of natural ecosystems, and climate change may be driving Earth toward an irreversible change in the biosphere, ...

Examining groundwater's role in ecosystem sustainability

Until now, groundwater—a critical water resource around the globe, especially in dry regions—has been largely unstudied in its importance and role in sustaining ecosystems. A new research effort led by the SUNY College ...

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