The United Nations Climate Change Summit comes as global awareness of the dangers of climate change and the need to act to control it is at an all time high. Thousands flocked to the "People's Climate March" in New York, as well as other concurrent events. But that doesn't mean that marching is all you can do to make a difference in the fight for our planet. App developers are also weighing in, with a variety of apps that serve to educate about and illustrate the dangers and damage of climate change, as well as marshal people to act for the good of the environment. Here are eight you should check out now.

 

#climate aims to harness social media for social good. Users sign in to the #climate app and then select a number of environmental issue categories that they want to subscribe to. #climate then updates them with news about the latest causes and news items related to their selected issues, presented in clear, concise language and an accompanying call to action. Not only are you encouraged to participate, but all of this is designed to be easy to share with your friends, contacts, and followers on Facebook and Twitter.

 

A tie-in app to the award-winning documentary of the same name, Chasing Ice chronicles the efforts of photographer James Balog and the Extreme Ice Survey to bring the disappearance of the world's major ice sheets and glaciers to the world's attention. Follow along a unique audiovisual experience as the app delivers stunning photography and time lapse videos of the world's disappearing glaciers.

 

Climate change, natural disasters and human activities are changing the face of the world we live in, and NASA's Images of Change app brings that to the forefront with a collection of side by side photographs highlighting the most striking examples of our changing world. Curated from NASA's Global Climate Change website, users can view the retreat of the Muir Glacier at ground level, view the expansion of agriculture in the Saudi Arabian desert, and other places around the world.

 

Another NASA app, this time spearheaded by the Jet Propulsion Laboratory, Earth-Now allows users to visualize the latest climate data superimposed over a Google Earth-style 3D globe, complete with time-lapse animations. Earth-Now provides data for Air Temperature, CO2, sea level variance and more.

 

Skeptical Science is a quick guide to debunking climate change denial, listing and refuting the most commonly used arguments used to undermine climate change science. The app presents a top 10 list of arguments, as well as searchable categories, and a news feed. It's a great and informative resource for taking the fight to the streets.

 

Going green doesn't have to mean bad business. Just ask Greentech Media, which brings the latest and greatest news and research on business-to-business greentech, with articles covering solar energy, smart grid optimization, energy efficiency and more. The mobile app allows you to read the latest stories from Greentech Media, share articles over social media and email, and comment on articles from within the app.

 

Painting with Time is another software toy that does a great job in illustrating how our world changes with the warming climate. Taking side-by-side picture comparisons a step further, the app allows you to layer images on top of each other and combine the past and present pictures with a combination of digital painting tools.

 

A project of activist telco CREDO Mobile, Climatic is an Android camera app that overlays climatic conditions on top of your snaps, using weather data from Weather Underground and other sources. The app can display local CO2 concentrations, temperature records and more, along with your choice of a series of climate emoji. Once you're done, you can save your photos to your gallery or share them to your favorite social networks or apps.