Hours after taking office last month, Donald Trump started signing executive orders to block previously approved federal spending, including $200 million the government had promised for Washington ...

Climate change and habitat destruction are driving species to extinction at an alarming rate. The impact extends across all ...

Every summer, wildfires crackle through the dusty shrub-steppe reaches of the Yakima Valley. And every summer, grateful ...

Comparing pollen records from three lakes in different geological substrates highlights the influence of geology and climate on long-term vegetation development.

Global warming is producing a rapid loss of plant species—according to estimates, roughly 600 plant species have died out ...