The roots of climate change–human-made emissions–and effects of the shifting environment range from microscopic impacts to mega-storms. Physician scientists are assessing how transitions, such as fossil fuel-powered vehicles to EVs, impact health care costs and our health – and whether invisible particles around us have long-term links to cancer. Listen to a Vanderbilt Health pediatric trauma surgeon on how he preps for inevitable forces of nature – be it Mother Nature or human nature.