Climate change represents a megatrend that will shape the 21st-century economy. With a limited amount of time to prevent irreversible impacts of climate change – 11 years as warned by the world’s top scientists – both the speed and scale of climate action are paramount. For meaningful scale, we need to do more of what’s already being done to limit greenhouse gas emissions while simultaneously looking for larger opportunities. For speed, the spotlight to take ambitious climate action is on large corporations who have historically been the biggest contributors to climate change. The moot question then is: how do we help companies look beyond regulations and prepare for – or rather create – a cleaner and resilient future today? We know that cutting carbon emissions makes business sense. We know we have the technology and solutions available to us. However, in order to match the speed and scale required to meet the challenge of climate change, we need powerful networks to raise ambition and accelerate action. One such community is the renewable energy initiative RE100 – a global platform for influential corporations committed to sourcing 100 per cent of their electricity from renewables. We know that we are at a tipping point for renewable energy – their plummeting costs and advancements in energy storage mean that today businesses are embracing renewables not just as a green gesture, but as a fundamental part of their business strategy. However, when The Climate Group kick-started RE100 along with CDP back in 2014 with a group of just 12 companies, this reality seemed a long way off. Now, 162 multinational companies have committed to the initiative, which amounts to the equivalent energy demand of the 23rd largest country in the world. There are two important lessons here to realise the promise of such communities of practice hold for India and its business leaders. Firstly – opportunity excites! Someone once told me that if you want long term corporate action on climate, talk to leaders with inspiring opportunities. This excitement was created around the goal of nothing less than 100 per cent renewable energy.