Knutur Rafn Armann, Managing Director and owner of the Fridheimer Greenhouse, which provides 18 percent of the local tomatoes in Iceland. EarthTalk: Hi, I’ve just been eating your tomato soup, which is the most delicious I’ve ever had, and I just want to ask you, because one doesn’t think of tomatoes and Iceland together. So why tomatoes […]
That in the future plants will be able to “talk” to us, broadcasting their water state or signaling s.o.s. in the presence of “unwelcome” parasitic guests is not an extract from a futuristic science fiction novel nor does it border on the insane. The fundamental notion that plants are inherently inexpensive, sustainable sensors for monitoring […]
Dear EarthTalk: Is it true that global warming is causing our crops to be less nutritious? — William Persson, Glendale, OH It’s difficult to say whether or not the climate change we are now experiencing is negatively impacting the nutritional quality of our food, but researchers warn that it may be only a matter of time. […]
Dear EarthTalk: What are the potential health and environmental impacts of so many genetically engineered organisms in our food supply? — Frank C., Charlottesville, VA Proponents of genetic engineering (GE)—whereby DNA from unrelated species is combined to produce improved or novel organisms—insist that the benefits of increased crop yields and less agricultural waste outweigh the potential […]
Biochar is a naturally occurring, fine-grained, highly porous form of charcoal derived from the process of baking biomass and it’s been associated with fertile soils for some two thousand years.
Dear EarthTalk: Is it true that global warming is causing our crops to be less nutritious? —William Persson, Glendale, OH It is difficult to say whether or not the climate change we are now experiencing is negatively impacting the nutritional quality of our food, researchers warn that it may be only a matter of time. […]
