April 22nd marks an important day each year for the protection of planet Earth. Since 1970, Earth Day has come to signify a time of action for changing human behavior and provoking policy changes. The day was first established in the United States and is currently observed in 192 countries. People are worried about their planet, and online donations have been reportedly increasing for environmental causes. Some of the finest and highly-rated organizations to support this Earth Day include the following:

Environmental Defense Fund. This is one of the largest organizations globally that works hard to stabilize the world climate with a focus on energy, food safety, abundant oceans, and clean air.

The Nature Conservancy. Their mission is to preserve the plants, animals and natural communities that represent the diversity of life on earth. That means protecting the lands and waters they need for survival.

Sierra Club Foundation. The successful, community-based organization has always focused on three key areas that include climate solutions, conservation and building a powerful environmental movement.

Natural Resources Defense Council. The council works to ensure the rights of all people to clean air, clean water, and healthy communities. The organization boasts more than 3 million members and online activists.

There are also excellent, smaller environmental groups that are contributing to the cause through innovative projects:

Chattahoochee Riverkeeper. This environmental advocacy organization based in Atlanta, GA, features an exciting program that has attracted 40,000 school students. It’s a floating classroom along Lake Lanier. Children board a catamaran and learn all about lake ecology.

Ecotrust. The Portland, OR, forest initiative assists landowners in maintaining a robust forest products industry while providing high-quality habitats for native fish and wildlife and producing clean and abundant water.

The Wetlands Initiative. The Chicago-based non-profit is dedicated to restoring the wetland resources of the Midwest for better water quality, increasing wildlife habitat and biodiversity and reducing flood damage.