What causes the smell after rain?

I found this one particularly interesting to know.
“As it turns out, the smells people associate with rainstorms can be caused by a number of things. One of the more pleasant rain smells, the one we often notice in the woods, is actually caused by bacteria! Actinomycetes, a type of filamentous bacteria, grow in soil when [...]

Indians Green

Contrary to the intuition about how Green India is, we have this report claiming India to be amongst the most environmentally friendly nation. It is obviously likely that the poor nations will fare better and the richer ones poorer in the index given their expensive lifestyles. But then, what about the India growth story? Does [...]