THE 1.5-DEGREE CHALLENGE
Holding warming to 1.5°C above preindustrial levels could limit the most dangerous and irreversible effects of climate change
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Drawing from our expertise across industries, we’ve modeled three possible scenarios. Every part of the global economy would need to rapidly decarbonize.

Here’s how we would get there
The next decade is critical

Projected global CO₂ emissions,
billion metric tons of carbon dioxide (GtCO₂) per year

What’s the climate math for businesses?

Three scenarios model the decarbonization needed to keep to the 1.5-degree pathway. While big cuts are needed everywhere, if one source moves higher, others must move lower to make up the difference.

So what would need to change?

All of the 1.5 °C scenarios would require major business, economic, and societal shifts-each enormous in its own right, and with intricate interdependencies. We identified five critical shifts and determined what it would take for the to occur.

1. Reform food and forestry

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Allows event organizers to charge for tickets or make them free.
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Provides access to attendee data, chat transcripts, and recordings.

2. Electrify our lives

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3. Reshape industrial operations

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4. Decarbonize power and fuel

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5. Ramp up carbon management and markets

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A way forward

A 1.5 °C pathway would require immediate and comprehensive action. The pace and magnitude of change would be unprecedented, but continuing on society’s current trajectory would widen the gap to a 1.5 °C pathway and create significant uncertainty and risk for businesses.