Climate change activist Greta Thunberg joined other young environmental activist for a protest march in Lausanne, Switzerland at the end of a week-long retreat to discuss the future of their movement. Meanwhile, a new United Nations scientific report examined how global warming and land interact in a vicious cycle. Human-caused climate change is dramatically degrading the land, while the way people use the land is making global warming worse. For more info, please go to www.globalnews.ca Subscribe to Global News Channel HERE: bit.ly/20fcXDc Like Global News on Facebook HERE: bit.ly/255GMJQ Follow Global News on Twitter HERE: bit.ly/1Toz8mt Follow Global News on Instagram HERE: bit.ly/2QZaZIB #GlobalNews #ClimateChange #GretaThunberg