Critics point to the program’s $535 million loan guarantee for Fremont-based solar panel manufacturer Solyndra, which filed for bankruptcy in 2011.

Critics point to the program’s $535 million loan guarantee for Fremont-based solar panel manufacturer Solyndra, which filed for bankruptcy in 2011.

Critics point to the program’s $535 million loan guarantee for Fremont-based solar panel manufacturer Solyndra, which filed for bankruptcy in 2011.

Machines that suck greenhouse gases? Sunlight-reflecting aerosol? They might be needed to “fight climate change…”