Well it was, as it is every year, on the 22nd of March.
And here's a funny (though also sad & sickening) little clip I found in my inbox (thank you Upworthy)
Visit counterspill.org for a shocking but educational (and highly recommended!) overview of non-renewable energy disasters over the last 100 years.
There's no better eye-opener than this to realize we need to get rid off our addiction to non-renewable energy.