<div>The United States has applauded India for its efforts in initiating and inaugurating the International Solar Alliance (ISA).&nbsp;</div>''<div><br />''</div>''<div>A State Department spokesperson told news agency PTI that US appreciates the ISA's goal of expanding access to cost-effective solar power and look forward to the economic and social benefits it will bring to the developing world.&nbsp;</div>''<div><br />''</div>''<div>The spokesperson said, Washington looks to work with the ISA in future.</div>''<div><br />''</div>''<div>ISA is a treaty based inter-governmental alliance of 121 sunshine-rich countries that lie fully or partially between the Tropics of Cancer and Capricorn.&nbsp;</div>''<div><br />''</div>''<div>Their adoption of solar energy is expected to help reduce the use of fossil fuels and combat climate change.</div>''<div></div>''<div>Sixty countries have signed the agreement to join the alliance which was formally launched jointly by Prime Minister Narendra Modi and French President Emmanuel Macron in New Delhi last Sunday.</div>''<div></div>''<div>Heads of state from 23 nations took part in the first ISA Summit.</div>