USDA Blog

In April 1986, the Chernobyl nuclear power plant in Ukraine exploded and heavily contaminated nearly 40,000 square miles with radioisotopes. The contaminated area became known as the Chernobyl Exclusion Zone in Ukraine and the Polesie Radioecological Reserve in Belarus. Today, the site remains...

Mount St. Helens, in Washington State, erupted 40 years ago today. The largest landslide in recorded history filled valleys below with debris, and ash fell from the sky for weeks, blanketing the nearby area and affecting regions as far away as the Rocky Mountains. Within just two weeks, ash from the...