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"Several studies have shown that global crop production needs to double by 2050 to meet the projected demands from rising population, diet shifts, and increasing biofuels consumption. Boosting crop yields to meet these rising demands, rather than clearing more land for agriculture has been highlighted as a preferred solution to meet this goal."

"Renewable energy effectively uses natural resources such as sunlight, wind, rain, tides, and geothermal heat, which are naturally replenished. Renewable energy technologies range from solar power, wind power, hydroelectricity/micro hydro, biomass and biofuels for transportation."

"First, the bad news: because of climate change and worsening water pollution, algae, the world's fastest-growing photosynthetic organisms, are proliferating worldwide. A few of these are of the toxic blue-green variety. The good news is that some strains of algae can be converted into an alternative source of renewable energy that is commercially viable."