Watch a video clip which is part of a lecture about sustainability of planet Earth given by Johan Rockstrom. Then complete the following notes. 1) 80,000 years back in a crisis: we leave Africa, we ___1____ Australia in another crisis. 2) 60,000 years back in a crisis: we leave __2___ for Europe for another crisis. 3) 40,000 years back: we enter the remarkably __3___ Holocene phase. 4) A thousand years into this period: we ___4____ our hunting and gathering patterns. 5) The Mesopotamian culture: we __5____ agriculture, we demesticate animals and ___6___. Pressure on the planet: 1)____7____ growth 2)____8___ agenda 3)ecosystem ___9____ 4) ______10________