It’s common knowledge for most vegetable gardeners and farmers that even warm season crops like tomatoes, peppers, squash and melons don’t do well in intense heat. Once temperatures climb over the mid-80s, you start seeing lower yields due to reduced nutrient absorption, pollen development and shoot growth.
It certainly comes as no surprise that researchers have found that climate change could reduce crop yields of corn and wheat (“Global warming could hurt crop yields,” July 26). Corn and wheat are central to our food supply. We’re likely to have 2 billion to 4 billion more mouths to feed by 2050.
Each year we lose more and more arable land to desertification, rising seas, soil erosion and depletion. Droughts are also becoming more prevalent as Earth warms, straining food production further.
Rising CO2 levels are the main culprit behind climbing temperatures and the conditions leading to reduced crop yields. It’s time to lower our CO2 emissions and bring down the heat.
A revenue-neutral carbon fee established and divided, as proposed by Citizens’ Climate Lobby, has broad support from economists, returns fees from CO2 emitters to U.S. individuals and households, and would begin to slow global warming and its disastrous effects.