Indoor winter dangers from coal heating

Plugging a colossal solar farm into the grid requires the precision of open-heart surgery on our power networks. The universal playbook engineers need for this task is now a reality. Forged by China and 13 other countries, this new global standard is the critical blueprint for a renewable future. / How do you stay warm and safe in deep winter (15:07)? On the show: Steve, Fei Fei & Yushun