The peak of her green interest was in the late 80s - a time of bubbling media coverage of acid rain, climate, waste and rainforest destruction.

BBC: Margaret Thatcher: How PM legitimised green concerns

Finally, this week we wrapped up our CES coverage with a look at the best green gadgets from this year's show, and we flexed our creative capacity with 5 tech projects for kids that foster creativity and critical thinking.

ENGADGET: Inhabitat's Week in Green: sexy green cars, glass strong as steel, and Tianjin's Eco-City revealed