Not long ago I wrote in one of y blog articles that he challenge of ocean garbage was sad and a solution was unlikely soon I was wrong: My Modern Met digital magazine revealed a wonderful story about a young man Boyan Slat; here is an excerpt from the article.
” . . . Boyan Slat, a young inventor who set out to fight against the world’s plastic pollution problem. At only 20 years old, he developed an invention aimed at tackling the world’s largest patch of garbage, the Great Pacific Garbage Patch.”
As arid lands increase and arable lands are developed humans may discover the waste water of today can be used for numerous gardens. Agriculture and horticulture in cities , towns and suburbs may be needed to feed us. Not a new idea but perhaps a time to restate its potential and importance.
Thanks to Tufts University and engineer Mike Zimmerman
. . . the world may have a highly efficient rechargeable lithium battery that is very safe, no more: exploding toys, burning cell phones or fires on board air craft. What is of even greater importance? Electric cars and large drones too.
The NOVA program segment can be found at this link:
“Replacing conventional lighting sources with LEDs with an efficiency of 200 lumens per watt would decrease the global electricity consumed for lighting by more than half. That reduction is equal to the electricity created by 230 typical 500-megawatt coal plants and would reduce greenhouse gas emissions by 200 million tons.”