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As part of the 2019 Social Good Summit on Sept. 22, Mashable is tackling the climate change problem head on, highlighting the progress the world needs, and celebrating the experts making change happen.

Climate change can often feel like a huge problem with few actionable solutions. Just look at the facts: July was the hottest month on record. Eighteen of the last 19 years have been the warmest recorded. And the rate of CO2 increase in the atmosphere is unprecedented in the geologicrecord.

While it's true that politicians and entire countries hold many of the keys to fixing these issues, there are simple way you can help — through apps.

Your smartphone isn’t only your connection to the world — it can also be your connection to the conversation around climate change. With these four apps, awareness and action are at your fingertips.

1. For the animal lover: WWF Together

The WWF Together app, created by the World Wildlife Fund, shares the stories of species impacted by changing climate with vivid visuals and stunning video. The app presents wildlife news and facts on animals such as elephants and giant pandas, along with information on conservation efforts.

You can also use the app to share information you learn on social media, accompanied by a 3D origami image of the threatened species in question.

Price: Free

Platforms: iOS

2. For the amateur climate scientist: Earth-Now

NASA's Earth-Now app visualizes recent global climate data, pulling information from satellites to create globes depicting a given climate condition or "vital sign." The color-coded globe indicates measurements of a particular environmental condition, making this app ideal for those who like to track climate change with their own eyes.

Price:Free

Platforms: iOS and Android

3. For the policy person: UN Climate Change

Brough to you by the United Nations Framework Convention on Climate Change (UNFCCC), this app provides updated information on the UN Climate Change process so you can participate in UNFCCC events from your phone. It also offers up-to-date news, a calendar of events, and other helpful links to make sure you stay informed.

Price: Free

Platforms: iOS and Android

4. For the visual learner: WWF Free Rivers

Another app from the World Wildlife Fund, WWF Free Rivers demonstrates just how important rivers are to the Earth. It also shows how they're impacted by human actions. Through interactive augmented reality and beautiful visuals, the app proves why we need to keep rivers healthy and flowing.

Price: Free

Platforms: iOS and Android

This story was originally published in 2015 and updated in 2019.

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