1. Now I know why I’m here. Not for a closer look at the moon, but to look back at our home, the Earth. -Alfred Worden
2. Nature never hurries: atom by atom, little by little, she achieves her work. The lesson one learns from yachting or planting is the manners of nature; patience with the delays of wind and sun, delays of the seasons, bad weather, excess or lack of water. -Ralph Waldo Emerson
3. The world itself looks cleaner and so much more beautiful. Maybe we can make it that way-the way God intended it to be-by giving everybody that new perspective from out in space. -Roger B. Chaffee
4. Every day is Earth Day, and I vote we start investing in a secure climate future right now. -Jackie Speier
5. When one tugs at a single thing in nature, he finds it attached to the rest of the world. -John Muir
6. The earth is simply too small and fragile a basket for the human race to keep all its eggs in. -Robert A. Heinlein
7. Man is still the greatest miracle and the greatest problem on this earth. -David Sarnoff
8. There is perhaps no better a demonstration of the folly of human conceits than this distant image of our tiny world. -Carl Sagan
9. In wilderness is the preservation of the world. -Henry David Thoreau
10. There’s so much pollution in the air now that if it weren’t for our lungs there’d be no place to put it all. -Robert Orben
11. We do not inherit the earth from our ancestors, we borrow it from our children. -Native American Proverb
12. Never doubt that a small group of thoughtfully committed citizens can change the world. Indeed, it’s the only thing that ever has. -Margaret Mead
13. If we are ever to halt climate change and conserve land, water and other resources, not to mention reduce animal suffering, we must celebrate Earth Day every day – at every meal. -Ingrid Newkirk
14. An understanding of the natural world and what’s in it is a source of not only a great curiosity but great fulfillment. -David Attenborough
15. He that plants trees loves others beside himself. -Thomas Fuller
16. Environmentally friendly cars will soon cease to be an option, they will become a necessity. -Fujio Cho
17. Earth provides enough to satisfy every man’s need, but not every man’s greed. -Mahatma Gandhi
18. Look deep into nature, and then you will understand everything better. -Albert Einstein
19. Sooner or later, we will have to recognize that the Earth has rights, too, to live without pollution. What mankind must know is that human beings cannot live without Mother Earth, but the planet can live without humans. -Evo Morales
20. I only feel angry when I see waste. When I see people throwing away things we could use. -Mother Teresa
21. Keep close to nature’s heart, and break clear away, once in awhile, and climb a mountain or spend a week in the woods. Wash your spirit clean. -John Muir
22. For 200 years we’ve been conquering nature. Now we’re beating it to death. -Tom McMillan
23. I’m not an environmentalist. I’m an Earth warrior. -Darryl Cherney
24. Climb the mountains and get their good tidings. Nature’s peace will flow into you as sunshine flows into trees. The winds will blow their own freshness into you, and the storms their energy, while cares will drop off like autumn leaves. -John Muir
25. Be the change you wish to see in this world. -Mahatma Gandhi
26. Water and air, the two essential fluids on which all life depends, have become global garbage cans. -Jacques Cousteau
27. Thank God men cannot fly, and lay waste the sky as well as the earth. -Henry David Thoreau
28. Our goal is not just an environment of clean air and water and scenic beauty. The objective is an environment of decency, quality and mutual respect for all other human beings and all other living creatures. -Gaylord Nelson
29. There would be very little point in my exhausting myself and other conservationist themselves in trying to protect animals and habitats if we weren’t at the same time raising young people to be better stewards. -Dr. Jane Goodall
30. Save the Earth, it’s our only source of chocolate! -Anonymous