Scientists talk about tipping points in relation to climate change. Extreme temperatures are becoming the norm. Antarctic ice sheets are melting faster, and the ocean is warming quicker than predicted. The effects of climate change are startling, unsettling—and highly motivating. The actions we take between 2020 and 2030 are vital to avoiding further tipping points, and this is the decade that will determine whether we can meet the goal to reach net-zero carbon emissions globally.
The landmark Paris Agreement set out a unanimous response to keep a global temperature rise below 1.5ºC. To have a strong chance of staying below 1.5ºC, global carbon emissions must reach net-zero carbon needs by 2050—and the earlier we get there, the greater the chances become. Climate science also tells us that to meet the goal for net-zero by 2050, we need to halve global emissions between 2020 and 2030.