The best climate change charities to donate to are the ones that support the Amazon.

The fires sweeping through Brazil's rainforests are prompting an international outcry, with G-7 countries promising $20 million in aid and a nonprofit backed by actor Leonardo DiCaprio pledging another $5 million toward the cause.

The G-7 aid package was announced by the French President, who said that the Amazon represents the lungs of the planet.

Satellites have recorded over 41,000 fires in the Amazon region so far this year, with more than half of those coming this month alone, according to the AP.According to the AP, experts say most of the fires are set by farmers or ranchers clearing land.

Giving USA, an annual report on philanthropy, states that charitable giving by individual Americans fell last year to an estimated $292.09 billion.

The amount of money given to environmental and animal organizations increased by 3.6% over the course of the year, thanks in part to media attention to climate change.It was the highest inflation-adjusted value since the Giving USA report started in 1956.

Want to help, but don't know where to start?To see which nonprofits are most effective, charity experts recommend doing some research.Five charities have been deemed worth your money by charity rating services.

Since 1993, the Rainforest Action Network has given money to local groups and activists in Brazil through its "protect an acre" program.RAN reminds donors to check with their employers if they will match donations.Amazon Watch is another nonprofit that RAN recommends donating to.