Good morning, everyone. Today we'll continue our discussion on climate change impacts. As we know, rising temperatures affect agriculture. However, a less obvious effect is on infrastructure. For example, in northern Canada, melting permafrost is causing roads and buildings to sink. This creates costly repairs and safety risks. Additionally, warmer winters reduce the ice road season, which is crucial for transporting supplies to remote communities. So, while we often focus on food security, we must not overlook these engineering challenges.
❓ What is the main additional impact of climate change mentioned in the lecture?
A. A. Decreased food production in northern regions
B. B. Damage to infrastructure due to melting permafrost
C. C. Increased cost of heating buildings in winter
D. D. Shorter summer season for construction work
✅ 正确答案
B. Damage to infrastructure due to melting permafrost