Dr. Stephaun Wallace (@imstephaunelite) has spent the last year helping make COVID-19 vaccines work for everybody. Stephaun and his colleagues at @FredHutch are working to reach the people who are usually left behind. https://t.co/7wqSeT3DJN

The amount of cement China has consumed is a staggering statistic and reminder of how much emissions have grown in low- and middle-income countries. (Minecraft concrete doesn’t count, though server farms are responsible for a lot of emissions.) https://t.co/b8tSNNdUBy https://t.co/bFrIIUv97i

Cement is responsible for 6% of carbon emissions globally. To get to net-zero by 2050, we need innovations to decarbonize the material. I discuss a few approaches to make low-emission cement in my climate book: https://t.co/Ok1p3xQir4

Who installed the most concrete?

Check your answer: https://t.co/wqmmPffvwB

The best way to prevent new variants from emerging is by stopping transmission of the virus altogether: https://t.co/KhJoM3LBmr https://t.co/5Vhfsjew3D

It's encouraging to see innovation and clean energy investments at the forefront of @POTUS's #AmericanJobsPlan. Building markets for new energy technologies is good for jobs today and will build the economies we need while avoiding a climate disaster. https://t.co/V6GcPSiaH8

Here are five things you should know if you want to understand how variants are (and aren’t) complicating the pandemic. https://t.co/rANiDcZynJ

The technological transformation we need to address climate change can create good, safe jobs and build a more equitable, prosperous economy. To make that happen, we need to think big: https://t.co/jFWTPyaOAq https://t.co/PR5sxI7aDt

I had a great time answering questions about my new book, climate change, and COVID-19 on @reddit last week. Here’s a recap of the conversation. https://t.co/Kvd2blqXkL

I’m answering your questions now on @reddit: https://t.co/HXMsI0lSK1 https://t.co/XG7eAMNrGM

In this video, I answered some really good questions, including one about two really important numbers. Come ask me some questions of your own on @reddit at 11:15: https://t.co/HXMsI0lSK1 https://t.co/SQ4N1MlxGO