Extreme climate risks may hit early: 2°C warming could unleash 4°C level disasters, study warns

Severe droughts and intense rainfall, usually seen with higher global warming, may happen even with a 2 degrees Celsius rise. This threatens food production, forests, and cities.

Key takeaways

Quick scan — what you need to know:

• Severe droughts and intense rainfall, usually seen with higher global warming, may happen even with a 2 degrees Celsius rise.
• This threatens food production, forests, and cities.
• Current policies point to 2.3 to 2.5 degrees Celsius warming.
• Researchers found some models show worse drought risks at 2 degrees Celsius than average projections for 4 degrees Celsius.

Background

What led here, in plain terms:

• Severe droughts and intense rainfall, usually seen with higher global warming, may happen even with a 2 degrees Celsius rise.
• This threatens food production, forests, and cities.
• Current policies point to 2.3 to 2.5 degrees Celsius warming.
• Researchers found some models show worse drought risks at 2 degrees Celsius than average projections for 4 degrees Celsius.

Why it matters

Why readers and decision-makers should care:

• Severe droughts and intense rainfall, usually seen with higher global warming, may happen even with a 2 degrees Celsius rise.
• This threatens food production, forests, and cities.
• Current policies point to 2.3 to 2.5 degrees Celsius warming.