David Cameron thinks that if enough people sign an online petition, an issue should be debated by parliament. From the BBC:

Online petitions could be used to decide the subject of debates and votes in Parliament under a Tory government. Tory leader David Cameron said this would show the public “what their elected representatives actually think [...]

Whilst it’s common knowledge that a diet low in animal products is healthier, cheaper and better for you (and better for the animals, of course), it’s less known that it’s also a lot better in the fight against climate change.

In 2006 the Scottish Parliament passed laws to reintroduce a tram network to Edinburgh. However, in May 2007, the SNP won the Scottish parliamentary election and formed a minority government. The SNP want to scrap the tram scheme because they don’t think it gives value for money.
They may well be right that the tram [...]

Norman Geras asks:

Imagine two situations, both involving a religion with influence over large numbers of people. (1) The religion teaches that all are children of the same God and have a spark of the divine within them; and therefore one must treat others with respect. (2) The religion teaches that only some people are favoured [...]