A grassroots solution may be taking root in California, where a startup is developing weed-killing robots that could offer an environmentally friendly alternative to traditional chemical herbicides. The technology holds promise for protecting the environment and keeping harmful substances out of our food — but is it too good to be true? Peter O’Brien investigates.
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Vietnam's Mekong Delta threatened by rising sea levels
Vietnam's Mekong Delta is under serious threat from climate change. The agricultural region, which produces half of the country’s food...
























