1. “The environment is where we all meet; where all have a mutual interest; it is the one thing all of us share.” —Lady Bird Johnson

3. “A true conservationist is a man who knows that the world is not given by his fathers, but borrowed from his children.” —John James Audubon

4. “Live in each season as it passes; breathe the air, drink the drink, taste the fruit, and resign yourself to the influence of the Earth.” —Henry David Thoreau

7. “Look deep into nature, and then you will understand everything better.” —Albert Einstein

8. “The good man is the friend of all living things.” —Gandhi

9. “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

10. “It seems to me that the natural world is the greatest source of excitement; the greatest source of visual beauty; the greatest source of intellectual interest. It is the greatest source of so much in life that makes life worth living.” —David Attenborough

12. “A nation that destroys its soils destroys itself. Forests are the lungs of our land, purifying the air and giving fresh strength to our people.” —Franklin D. Roosevelt

14. “Humankind has not woven the web of life. We are but one thread within it. Whatever we do to the web, we do to ourselves. All things are bound together … all things connect.” —Chief Seattle

15. “I only feel angry when I see waste. When I see people throwing away things we could use.” —Mother Teresa

16. “Environmentally friendly cars will soon cease to be an option…they will become a necessity.” – Fujio Cho, President of Toyota Motors

17. “You cannot get through a single day without having an impact on the world around you. What you do makes a difference, and you have to decide what kind of difference you want to make.” —Jane Goodall

18.  “I believe in God, only I spell it Nature.” —Frank Lloyd Wright (Related: Nature Quotes)

20.”Until a man duplicates a blade of grass, nature can laugh at his so-called scientific knowledge. Remedies from chemicals will never stand in favorable comparison with the products of nature, the living cell of a plant, the final result of the rays of the sun, the mother of all life.” —Thomas Edison

21. “The earth is what we all have in common.” – Wendell Berry

22. “Nature is painting for us, day after day, pictures of infinite beauty.” —John Ruskin

23. “Earth Day should encourage us to reflect on what we are doing to make our planet a more sustainable and livable place.” —Scott Peters

24. “Never doubt that a small group of thoughtful, committed citizens can change the world. Indeed, it’s the only thing that ever has.” —Margaret Mead

26. “The ultimate test of man’s conscience may be his willingness to sacrifice something today for future generations whose words of thanks will not be heard.” —Gaylord Nelson

27. “He that plants trees loves others beside himself.” –Thomas Fuller

29. “To leave the world better than you found it, sometimes you have to pick up other people’s trash.” —Bill Nye

30. “Every day is Earth Day, and I vote we start investing in a secure climate future right now.” —Jackie Speier