How Much Coal Can Poor Countries Burn?Lisa Friedman, ClimateWire
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After all, what do you think your cell-phone charger does all day while it's plugged into the wall? If it's warm when you get home from work, then it's been using electricity -- even if it had nothing to charge. Individually, your rechargeable electric toothbrush may not put ...
A drive to work, a flip of a light switch and a flight out of town all rely on the combustion of fossil fuels like oil, coal and gas. When fossil fuels burn, they emit greenhouse gases like CO2 that contribute to global warming. Ninety-eight percent of atmospheric CO2 comes from the ...
The liquid wax does the same thing for the wick. Paraffin wax will burn on its own, but it is like cooking oil, motor oil and coal in that you have to get it very hot for combustion to begin. An oil fire is intense and very hard to put out. Paraffin is the same way. In a ...
But hype aside, Sweden does a pretty impressive job of keeping its municipal solid waste — i.e., household garbage — out oflandfills. In the U.S.,nearly 53 percentof the stuff we discard in the trash ends up being buried. The Swedes, in comparison, only put only 31,000 tons (28...
Why does smoke come from a fire? How does a candle work? How do trick birthday candles work? Can flour explode? How Sword Swallowing Works How can someone walk across broken glass without getting hurt? How the Human Blockhead Works How can someone lie on a bed of nails without getting hu...
Where are we on building that? Does what we build work? How do we get it to work? It was these physical questions, and physical realities, that we wanted to grapple with. Want to subscribe toThe McKinsey Podcast? Apple PodcastsSpotifyYouTubeListen to previous episodes ...
How does a battery really work? Where does the power in a battery actually come from? Let's take a closer look! Here's my battery hooked up to a flashlight bulb to make a simple circuit. I've unwrapped a paperclip to make a piece of connecting wire and I'm holding that between th...
While electrification is now ubiquitous, that alone does not solve our CO2 problem, since the primary fuel for electricity still relies heavily on fossil fuels. According to anInternational Energy Association report, fossil fuels are used to generate 63% of the world’s electricity. (80% of the...