Climate Change

This post is part of the Science Tuesday feature series on the USDA blog. Check back each week as we showcase stories and news from the USDA’s rich science and research portfolio. In forests, climate change ramps up stress already occurring from extreme weather events, disease and insect outbreaks...

Once a prominent phenomenon in southern Indiana, Bedford just experienced the first re-planting of American chestnut trees on the Hoosier National Forest in partnership with Purdue University and the U.S. Forest Service’s Northern Research Station.

Mangroves have declined by nearly half in the last 50 years. This is disconcerting to scientists because the hardy brackish tidal tree in an important bulkhead against climate change, according to findings is a recent study published in the journal Nature Geoscience.

On December 16, I had the privilege of visiting McKinney, Texas to recognize Minshew Elementary School for achieving gold in the USDA’s HealthierUS School Challenge. I presented the award to the school at an assembly with the students, the Mayor and the district superintendent. I also had the...

Last week, Agriculture Secretary Tom Vilsack met with Mexican Agricultural Secretary Francisco Mayorga in Merida, Mexico to discuss agriculture and trade. The two agricultural leaders engaged in a very productive dialogue on a wide range of issues important to both the United States and Mexico.

Earlier today it was my privilege to address those attending the United Nations Climate Change Conference in Cancun, Mexico. Climate change is one of the greatest threats facing our planet, and the United States is taking significant action to meet this challenge. Under President Obama’s leadership...

Every summer since I was four years old, I’ve been returning to a small glacial lake in Northern Wisconsin where my family had summer cottages. As a child, I’d spend all day swimming in the lake that was darkened by the tannins secreted by the surrounding hemlock trees. The lake was often so cold...