A/C may contribute significantly to global warming

As the planet is warming and as more and more people can afford it, air conditioning is becoming more and more widespread. This wouldn’t be a problem if A/C weren’t emitting greenhouse gases. To the NY Times : ” The leading scientists have just calculated that if all the equipment entering the world market uses… Continue reading A/C may contribute significantly to global warming

The motivating example of the Montreal Protocol

In 1988 was signed the Montreal Protocol, which restricted the use of CFC – ChloroFluoroCarbons – gases that harm the ozone layer, our sole protection against UV rays. To the NASA this was a tremendous success as large troubles have been avoided. Without this success, our world could suffer of massive DNA mutations induced by… Continue reading The motivating example of the Montreal Protocol