co2alarm.com is a news aggregator for green headlines. It is based on clustering techniques permitting a dynamic research of related news. Thus, each cluster summarizes various articles with very similar headlines. The algorithm behind co2alarm.com is based on statistical text analysis. Every day, co2alarm.com creates an updated clustering to give you a fast overview of memes regarding green technology, environmental and climate change.

co2alarm.com uses a treemap visualization enabling its users to see at first view which cluster of memes currently is especially requested. The relevance is based on cluster size witch indicates how many headlines are in there. Clusters with similar content have the same color.

co2alarm.com uses open calais to find named entities in the news to go much deeper into a memes. Therefore, co2alam.com also implements a search engine to find headlines of the same named entities.