The summer sun burned through the clouds in California’s Salinas Valley, where a bounty of berries and leafy green vegetables grows across this rich farmland renowned as the “Salad Bowl of the World.” Jose, a quiet 14-year-old, was squatting and bending over for hours with other workers in a sprawling strawberry field. The pickers, many of them also minors, snapped berries from plants and…
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First the plant stalk is harvested, shredded, and crushed. The extracted juice is then combined with bacteria and yeast in large bioreactors, where the sugars are metabolized and converted into ethanol and carbon dioxide. From there, the liquid is typically distilled to maximize ethanol concentration, before it is blended with gasoline. You know the final products as biofuels — mostly made…
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India is the thirstiest user of groundwater in the world, sucking up more of this valuable resource than both the U.S. and China combined. Indeed, the country relies on groundwater (like lakes and rivers) to keep its crops irrigated, its industries running, and its people quenched. In some rural communities, as much as 85 percent of their drinking water is pumped from underground.
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