Canadian climate tech ventures — some of the top startups and scale-ups in the world — are electrifying vehicles, trapping CO2 in concrete and pioneering fusion power.

More than 100 speakers shared the latest ideas and innovations to address the growing threat from climate change.

With capital raises, acquisitions and continued growth, it’s been another standout year for companies in the MaRS Momentum portfolio. The latest ventures to join the program include Sensei Labs and Livestock Water Recycling.

Improving the energy grid is the world’s biggest hurdle on the road to net zero, says climate-tech wizard Joshua Wong. His company, Opus One Solutions, is already charging to the finish line.