2015-03-13 Scientists Search for Ways to Feed an Ever-Growing World
As the population grows and temperatures rise it will become more difficult to grow enough food for everyone. So, scientists are exploring the planet for plants that do not need…
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As the population grows and temperatures rise it will become more difficult to grow enough food for everyone. So, scientists are exploring the planet for plants that do not need…
Hello, and welcome to “As It Is,” our daily show for people learning American English. I’m Christopher Cruise in Washington. Today on the program, we look at whether African leaders…