This week’s Green Blog round up has a bit of everything, from the light-hearted to the serious-minded.

Great post on TreeHugger this week that could serve as a wake-up call/lesson for a lot of political leaders on this side of the pond. Despite having to work with 20 separate mayors from many different ideological backgrounds, seems the City of Paris still managed to hammer out an agreement to slash carbon emissions by 30 per cent by 2020. Impressive.

Meanwhile, DeSmogBlog pokes a hole in Toyota’s growing rep as a green pioneer, pointing out that despite the fuzzy glow of the Prius, the global auto giant is busy fighting tougher U.S. emission standards.

What’s everyone’s favourite eco-TV-celeb Ed Begley doing with Home Depot? Check it out on ecorazzi.

Ever wondered what a “zero energy” house looks like? Have a look. And heads up you folks living in the San Francisco area, because it’s for sale.

When it comes to green-savvy, the old truism that older is wiser may not always be true, according to this post from Planetsave.