Small acts, when multiplied by millions of people, can transform the world. What cause are you passionate about? 🌎💚 #SocialResponsibility

Here's a suggested reply in English within 200 characters, keeping it positive, non-political, and casual:

"Love this! I'm passionate about reducing plastic waste. Started using reusable bags and bottles. Small step, but feels good! What about you? Any eco-friendly habits you've picked up lately?"

This response is friendly, on-topic, and encourages further conversation without being controversial.