NEW DELHI — Under growing pressure to join in an international accord to battle climate change, India on Thursday announced its long-term plan to reduce its rate of planet-warming greenhouse gas pollution and to aggressively ramp up its production of solar power, hydropower and wind energy.

India, the world’s third-largest carbon polluter, was the last major country to issue its plan before a major summit meeting in Paris in December aimed at forging a sweeping new accord that would for the first time commit every country on earth to enacting new policies to cut fossil fuel emissions.

At the heart of the Paris deal will be the plans put forth by each government detailing how it will help its economy make a transition to low-carbon energy sources.

For years, India has been viewed as an intransigent outlier in global climate-change talks. Indian leaders have long argued that their priority was lifting a vast population out of poverty, and that this could not be done swiftly without the rapid expansion of coal-fired power, the largest contributor to greenhouse gas pollution.