Computational sustainability is a broad field that attempts to optimize societal, economic, and environmental resources using methods of mathematics and computer science fields.  Sustainability in this context is the ability to produce enough energy for the world to support its biological systems. Using the power of computers to process large quantities of information. 
Applications are widespread. Smart grid s renewable resources and storage capabilities to control the production and expenditure of energy.  Intelligent transportation systemanalysis road conditions and relay information to drivers so they can make smarter decisions based on real time traffic information. 
Intelligent Transportation Systems (ITS) seek to Improve safety and travel times while Minimizing greenhouse gas emission for all travelers, though focusing Mainly we drivers. ITS has two systems: one for data collection / relaying, and another for data processing. Data collection can be achieved with video cameras over busy areas, which sensors that detect various pieces of equipment to certain infrastructure that is breaking down, and even drivers who notice an accident and use a mobile app , like Waze , to report its whereabouts.  
Advanced Public Transportation Systems (APTS). Electronic payment methods allow users to add to their smart cards at stations and online. APTS relay information to transit facilities about cars and services to smartphones. Advanced Traffic Management Systems (ATMS) collect information using cameras and other sensors that gather information about how congested roads are. Ramp metersregulating the number of cars entering highways to limit backups. Traffic signals use algorithms to optimize travel. Electronic road signs relay information about travel times, detours, and accidents that can affect drivers ability to reach their destination. 
With the rise of consumer connectivity, ITS to make informed decisions.  Google Maps uses smartphone crowdsourcing to get information about real-time traffic conditions allowing users to make decisions based on travel, travel times, and overall distance traveled.  Cars communicate with their manufacturers when they install new software or when they are patched.  Tesla Motors even uses these updates to increase their efficiency and performance.  These connections give ITS a way to accurate information and information.
Future ITS systems will help you in the future.  
The electricity grid is designed to produce electricity from electricity generators for a monthly fee based on usage. Homeowners are installing solar panels and large batteries to store the power created by these panels. A smart grid is being created to accommodate the new energy sources. Rather than just electricity being made to be consumed by the various appliances in the home, electricity can flow in one direction. Additional sensors along the grid will improve information collection and decreased downtime during power outages. These sensors can also relay information to consumers about how much energy they are using. 
- Green computing
- Institute for Computational Sustainability (ICS)
- The Nature Conservancy
- United States Fish and Wildlife Service
- United States Geological Survey
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