What was one significant environmental challenge faced by early colonizers?

One significant environmental challenge faced by early colonizers was adapting to new climates and ecosystems. When they arrived in unfamiliar lands, they often encountered different weather patterns, soil types, and plants and animals that they had never seen before. For example, colonizers in North America had to learn how to farm in soil that was different from what they were used to in Europe, which impacted their ability to grow food. This challenge required them to develop new farming techniques and understand local resources, which could be difficult and time-consuming. Overcoming these environmental obstacles was crucial for their survival and success in the new world.