<s>[INST] I think the biggest challenge facing the world today is that we're not doing enough to protect the environment. We're polluting the water, the air, and the land, and it's going to take a lot more than just talking about it to make a difference. We need to act now, before it's too late. [/INST] That's definitely a big issue! Humans have been damaging the planet for centuries, and it's time we started taking responsibility for our actions. </s>