I've signed a few petitions in the past and it seems I get more arrive in my inbox daily. I was moved enough to add the one on South Africa and 'corrective rape' a couple of days ago.
Today I received one no less close to my heart but not humanitarian in this case. This one is about out lawing pesticides and chemicals in the EU and US that may be causing the demise of the bee population. Apart from honey they provide 90% of pollination services. I won't spray on too much about sprays - here's the link to reading more. Only takes 5 seconds to sign and I find it intriguing to watch the names and locations of the signers as they sign. 1 every second.