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OneSource Window Systems provides and installs Windows, Sliding Glass Doors, Terrace Doors, and Balcony Enclosures for Condominiums.  Our experienced installers and project managers are knowledgeable, efficient, clean and respectful, ensuring seamless transition to new, beautiful, energy-saving windows and doors.

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Frequently asked questions

Why policy change?


Fighting the climate crisis requires systemic change that can only be achieved through government policy. Our current focus is on US policy, because the US is a leader on the global stage and is the world’s second-largest emitter.




Our focus areas


Our work in 2020 is focused on US national policy. We did an initial assessment of methods of influence, and decided to concentrate on grass-roots activism and "insider" policy. Direct activism (protests, pressure campaigns, etc) has a long history in the US of driving transformational social change. It ensures that politicians bring important issues to the top of their agenda, and lets them know they will pay politically for ignoring climate issues. Policy advocacy (research, lobbying, etc) is also a well-established way to affect change. But climate policy campaigners are badly outgunned, getting outspent 10:1 by pro-polluting industry efforts. To move legislation forward, we need pro-climate insiders to neutralize the efforts of the oil companies.




How do we assess policy organizations?


We assess organizations by conducting expert interviews, developing detailed theories of change for our studies organizations, and assessing this using theoretical literature as well as measured acheivements. It is impossible to assess with certainty the effect of a donation to a policy organization, but our research uses all methods available to identify the "best bets". Please see this page for more information on our approach to assessing and recommending policy organisations.





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Columbia, MD 21046

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