Suppose scientists discover (somehow) that if $\Delta T$, the average global temperature increase since 1900, were to exceed $1.0^{\circ} \mathrm{C}$, Greenland's ice sheet would irreversibly start to collapse within 20 years, raising ocean levels significantly. $\Delta T$ is currently $0.8^{\circ} \mathrm{C}$. What might we do to prevent this from happening?
A) Cut $\mathrm{CO}_{2}$ emissions in half.
B) Completely stop emitting $\mathrm{CO}_{2}$ now.
C) Actively start removing $\mathrm{CO}_{2}$ from the atmosphere.
D) We probably can't prevent this from happening, no matter what we do.

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The Answer of Suppose scientists discover (somehow) that if $\Delta T$, the average global temperature increase since 1900, were to exceed $1.0^{\circ} \mathrm{C}$, Greenland's ice sheet would irreversibly start to collapse within 20 years, raising ocean levels significantly. $\Delta T$ is currently $0.8^{\circ} \mathrm{C}$. What might we do to prevent this from happening?
A) Cut $\mathrm{CO}_{2}$ emissions in half.
B) Completely stop emitting $\mathrm{CO}_{2}$ now.
C) Actively start removing $\mathrm{CO}_{2}$ from the atmosphere.
D) We probably can't prevent this from happening, no matter what we do.

Suppose Scientists Discover (Somehow) That If ΔT\Delta TΔT , the Average Global Temperature Increase Since 1900, Were to Average

Suppose Scientists Discover (Somehow) That If $\Delta T$ , the Average Global Temperature Increase Since 1900, Were to Average