If nations adopt new air quality guidelines from the World Health Organization millions of lives could be saved every year from deadly air pollution. Also, for gardeners in the northern hemisphere, now is the time to take stock of this year’s successes and failures. Find out what you can do now to build fertile soil for next spring.  And as the harvest season picks up, we share preservation tips and tricks for keeping the bounty and preventing fresh produce from ending up in landfills. Join us on October 5 for our next Living on Earth Book Club event! “Guardians of the Trees” author Dr. Kinari Webb will join Steve Curwood and Bobby Bascomb to talk about healing the world’s rainforests and the communities who depend on them. Register at https://loe.org/events/   Learn more about your ad choices. Visit megaphone.fm/adchoices