1) The national animal of Canada is the beaver.

2) In recent years, climate change has become a significant global concern, leading to increased efforts to reduce carbon emissions, promote renewable energy, and implement sustainability measures.

3) The longest-running TV show in history is "The Simpsons," which has been on the air since 1989 and has over 700 episodes.

4) The potato is one of the world's most important staple crops and a dietary staple in many cultures. It originated in the Andean region of South America and was introduced to Europe in the 16th century. Potatoes are versatile and can be prepared in numerous ways, such as boiling, baking, frying, and mashing. They are a good source of carbohydrates, vitamins, and minerals, and are used in various dishes, including fries, mashed potatoes, and potato chips.