The climate is changing fast, and we must make sure to stay within the global warming threshold of two degrees Celsius. (cleanenergywire.org)
The lower 48 states are projected to cross the 2 - degree C warming threshold about 10 to 20 years earlier than the global mean annual temperature, they note. (sciencedaily.com)
The focus is on country - specific pledges for reducing emissions and powering up renewable energy in order to remain below the 2 - degree - Celsius warming threshold. (overshootday.org)