October 27th, 2018

* - galaxy

5 policies for a prosperous and sustainable world

ted talks:

5 transformational policies for a prosperous and sustainable world | Johan Rockström

In a talk about how we can build a robust future without wrecking the planet, sustainability expert Johan Rockström debuts the Earth3 model -- a new methodology that combines the UN Sustainable Development Goals with the nine planetary boundaries, beyond which earth's vital systems could become unstable. Learn more about five transformational policies that could help us achieve inclusive and prosperous world development while keeping the earth stable and resilient.
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The Chinese Pear That Ate America

Scientists thought they had created the perfect tree.


...But like a comic book supervillain who had started off good, the Bradford pear crossed over to something darker. It turned from thornless to spiky, limber to brittle, chaste to promiscuous, tame to feral. Most of all, it became invasive. It is now an ecological marauder destined to continue its spread for decades, long after those suburban tract houses have faded away. Generations yet to be born will come to know this tree and learn to hate it.