Scienmag: An eight-year study of soybeans grown outdoors in a carbon dioxide-rich atmosphere like that expected by 2050 has yielded a new and worrisome finding: Higher atmospheric CO2 concentrations will boost plant growth under ideal growing conditions, but drought -- expected to worsen as the climate warms and rainfall patterns change -- will outweigh those benefits and cause yield losses much sooner than anticipated. (See video)
The new discovery, reported in the journal Nature Plants, contradicts a...