Planetary Technologies in Nova Scotia uses magnesium oxide to reduce carbon dioxide via the ocean, backed by $1 million from Elon Musk's foundation, despite debate over potential ecological impacts.

Mexico will dump 400 million gallons of sewage into the Tijuana River, which could spill into the united States, a San Diego ...

In this photo provided by the Ocean Alk-Align project, pink dye is released into Tufts Cove along Halifax Harbour in Nova Scotia, Canada, as part of a project by the company Planetary Technologies ...

HALIFAX, Nova Scotia (AP) — From the grounds of a gas-fired power plant on the eastern shores of Canada, a little-known company is pumping a slurry of minerals into the ocean in the name of ...

From the grounds of a gas-fired power plant on the eastern shores of Canada, a little-known company is pumping a slurry of minerals into the ocean in the name of stopping climate change. Whether it's ...

From the grounds of a gas-fired power plant on the eastern shores of Canada, a little-known company is pumping a slurry of minerals into the ocean in the ... a request to dump shiploads of olivine ...