
Nature Rx (start time: 9:33): Nature is good for your health. Sounds obvious, but what does science tell us? A walk in the woods can help to calm your nervous system and spark novel ideas, and spending time in nature can reduce symptoms of PTSD or ADHD. Little is actually known about how nature offers healing effects. How much nature is enough, and to do what, exactly? How enduring are the effects? “Nature” isn’t only limited to places like Yellowstone or Rocky Mountain National Park. Nature abounds in some cities, as well. City parks, tree-lined neighborhoods, your own garden — these are slices of nature that can improve your physical and mental well-being. Researchers are measuring the effect of living near trees, for instance, on cardiovascular disease, diabetes and obesity. Today’s show is the first in a series we’ll offer on the connections between nature and human health. It’s called “Nature Rx.”
Our three guests today are working in the nexus between environmental conservation and human health, to make cities part of the solution: Dr. Ted Smith, director of the Center of Healthy Air, Water and Soil, at the University of Louisville’s Envirome Institute; Christopher Hawkins, Urban Conservation Program Manager at The Nature Conservancy; Janette Heung, principal and owner of JWG Global, a management consulting and research think tank in Colorado focusing on environmental conservation and public health. Read more in the Colorado Outdoor Rx report and the UN Environment Programme report on air pollution.
Hosts: Susan Moran, Joel Parker
Producer and Engineer: Joel Parker
Executive Producer: Susan Moran
Contributors: Beth Bennett, Shelley Schlender
Listen to the show here:
Podcast: Play in new window | Download (Duration: 28:20 — 25.9MB)
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Healthy Planet+Healthy Humans? (start time: 14:46)
Regenerative Medicine (start time: 7:30): We begin our series on


This week’s How On Earth offers two features:
Fixing Food Waste (start time: 17:59) We’re all guilty of it: waste. Tossing out peaches, broccoli and other food that has gone bad in the fridge. Or leaving pasta on our plate untouched at an Italian bistro. More than one-third of all food that is produced in the United States is wasted – in the field, at restaurants, in our own kitchens. The conservation organization World Wildlife Fund recently published a report on the huge environmental and health impacts of food waste, and on what can be done to reduce waste, and ultimately preserve grasslands and other natural habitat. Monica McBride, manager of



New Theory of How Cancer Evolves Inside Us (start time: 0:58): It is commonly known that cancer afflicts old people more than youth. Conventional wisdom has held we get cancer with age largely because we accumulate lots of genetic mutations over many years, and it’s the mutations that cause cancer. Our guest, 

You may be among many who wistfully harken back to the “golden days” of the past. For some people the past does look rosier, or perhaps the present looks grim, but, according to