A new report from the United Nations has raised concerns that the world may be nearing a critical global warming temperature threshold earlier than scientists had previously predicted. This threshold, known as 1.5 degrees Celsius above pre-industrial levels, is widely considered a key benchmark to avoid the most severe impacts of climate change. The report highlights that the effects of climate change are intensifying faster than expected, with extreme weather events, rising sea levels, and ecosystem disruptions becoming more frequent and severe. Kristie Ebi, one of the lead authors of the report, joined CBS News to explain the findings. Ebi is a climate change expert and a professor at the University of Washington. She emphasized that the report underscores the urgency of reducing greenhouse gas emissions and adapting to the changes already in motion. "We are not on track to meet the goals set by the Paris Agreement," Ebi said, referring to the international treaty aimed at limiting global warming. The report also notes that some regions are experiencing the effects of climate change more acutely than others. For example, small island nations and low-lying coastal areas are particularly vulnerable to rising sea levels and increased storm intensity. These regions are calling for stronger global action and support to help them adapt to the changes they are already facing. Ebi and other experts stress that while the situation is dire, there is still time to act. They advocate for immediate and sustained efforts to cut emissions, transition to renewable energy, and implement policies that protect vulnerable communities. The report serves as a wake-up call, urging governments, businesses, and individuals to take climate change seriously and work together to mitigate its impacts.