What good is a future without ketchup or pasta sauce? These are just two potential casualties of a changing climate, as tomato growers face shrinking harvests due to hotter and drier weather. WSJ reporter Patrick Thomas takes us behind the scenes of how seed breeders are trying to make a tomato that can thrive with less water, and how that highlights the efforts going into protecting crops against the effects of climate change. Sign up for the WSJ's free The Future of Everything newsletter. What do you think about the show? Let us know on Apple Podcasts or Spotify, or email us: FOEPodcast@wsj.com  Further reading: The Race to Save Ketchup: Building a Tomato for a Hotter World  How to Eat Your Way to a Greener Planet  Sustainable Agriculture Gets a Push From Big Corporations  Learn more about your ad choices. Visit megaphone.fm/adchoices