The Intergovernmental Panel on Climate Change (IPCC)releasedthe Working Group 1 (WG1) portion of its fifth assessment of climate change.Following a review of the most recent authoritative scientific evidence, the WG1 report focuses on the physical science of our climate system and climate change. Representing the most comprehensive international assessment of the climate in the world, the WG1 was prepared by more than 800 authors from nearly 40 countries.

以下是世界资源研究所总裁安德鲁·史特尔（Andrew Steer）的声明：必威官网手机版

“Make no mistake: The underlying science of climate change is settled. The latest IPCC report confirms our overwhelming understanding that climate change is here and it’s advancing even faster than we realized. Human activities are at the core of it.

“We can parse the details and have a rational discussion about solutions, but we ignore these scientific warnings at our own peril.

“我们的经验证实了世界主要科学家在说什么。极端的天气事件和气候影响对人和经济造成了严重损失。必威官网是真的吗热浪发生的频率更高。冰川和冰盖融化的速度更快。海洋正在迅速上升。连续342个月（超过28年），全球温度已超过20世纪的平均水平。

“The costs multiply every day. Droughts disrupt food supplies. Rising seas displace populations. Hurricanes and typhoons wreak havoc on communities worldwide. Climate change is not only profoundly unjust – hurting especially the poor, who have done least to cause it – it is also undermining prospects for future economic growth.

“It’s not just the IPCC. Many other leading authorities—such as the National Academy of Sciences, Global Change Research Program, National Oceanic and Atmospheric Administration, and UK MET Office—have all recently echoed these bottom line conclusions.

“It’s not too late to change course, but we need an urgent response based on the mounting evidence. We need to find pathways to low-carbon, economic growth. We need actions that will reduce global emissions, expedite the shift to clean energy, and enhance the resilience of our communities. We know that the costs of action on climate change are modest, and are dwarfed by the costs of inaction.

“Future generations are depending on us to wake up to this global challenge. It’s time for our leaders to answer the call.”

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Read a related blog on the "carbon budget" by WRI's Kelly Levin,here.