Earth Nears Climate “Tipping Points” that can Cause Catastrophic Changes: Report Washington, 6 Dec (ONA) --- A scientific assessment by over 200 scientists warns that climate change has brought the world dangerously close to breaching critical planetary "tipping points," leading to irreversible effects on essential natural systems.The report, led by climate scientist Tim Lenton, a climate scientist at the University of Exeter, the United Kingdom, stresses the urgency of confronting these dangers and intensifying efforts to prevent them.Released at COP28 in Dubai, the report ...