This report contains several interesting startups in the global climate tech sector.
These are a few of the startups on the list that i really like! 
Bolder Industries: converting end-of-life tires into carbon black, oil, steel and energy.
Kodiak Robotics: Autonomous driving fleets of electric long-haul trucks.
Monarch Tractor: Completely electric, driver optional tractors focused on agricultural efficiency.
SparkCharge: No-installation-needed EV charging using portable DC fast chargers designed to operate without the grid, anywhere they are needed.
Wright: Decarbonizing many industries including aviation (100 passenger electric planes for 1 hour travel), combat portable generators, electric plane motors for other manufacturers.
Enode: Brings 400+ energy devices into one platform so consumers can save money, take control, and reduce emissions in a single place.
Advanced.Farm: Robots that replace manual farm labor including hand picking and packing produce.