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Why It Matters

Buildings account for one-third of global energy use.

An ideal building should act like a sealed box, keeping those of us inside comfortable with the appropriate temperature while still letting us enjoy outside light and visibility. But most buildings today were built in the last century and aren't very good at keeping that comfortable temperature inside. Because of their energy inefficiency, buildings account for some 35% of total energy use across the world. 

Keeping inside temperatures in and outside temperatures out.

Buildings need to become more energy efficient. This would lead to big cuts in carbon emissions, too. 

High-performance glass is one solution. It improves window insulation and makes building heating and cooling more efficient. By minimizing unnecessary energy use, it curtails emissions. 

High-performance glass comes in many forms: layered panes, reflective low-emissivity coatings, insulating gas between panes, and tightly sealed frames, or all of the above. 

While most commercial buildings in high-income countries use high-performance glass, only around 18% of global residential buildings and 6% of commercial buildings in lower-income countries are insulated by it. 

These companies are making it happen.

Publicly traded companies that make high-performance glass have their work cut out for them: they need to provide as many of these windows as possible. The Climate Index includes these companies that are traded on US stock markets and that derive more revenue from this Drawdown solution than from revenue that depends on fossil fuels. And as always, we don't include punny stocks whose share prices were less than $0.50 in our last update. 

If you are a Carbon Collective member, you own all of these companies through the Climate Index.

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