Watch the following Ted Talks given by Johan Rockstrom and James Hansen and answer the corresponding questions.

Watch the following Ted Talks given by Johan Rockstrom and James Hansen and answer the corresponding questions.

     1. Johan Rockstrom: https://www.ted.com/talks/johan_rockstrom_let_the_environment_guide_our_development

• What does Johan Rockstrom mean when he argues that we should "let the environment guide our development"?  Be sure to incorporate answers to the following questions in your memo:
  • Who is Johan Rockstrom?
  • Why is the Holocene important in the history of human development?
  • What is the “quadruple squeeze”?
  • What is the Anthropocene?
  • What’s the difference between linear and non-linear systems?
  • What are our planetary boundaries?  Why are they important? 

     2. James Hansen: https://www.ted.com/talks/james_hansen_why_i_must_speak_out_about_climate_change

• Why did James Hansen decide he needed to speak out about climate change?  Be sure to incorporate answers to the following questions in your memo:
  • What is the energy imbalance and why is it important?
  • How much excess energy is Earth absorbing?
  • What are amplifying feedbacks?
  • Are there good options for a safe ecological future?  If so, what are they?

500 word minimum, 20 points