The NHS could save at least £130m every year by updating old energy systems with battery storage, onsite low-carbon generation and energy efficiency measures.
Sadiq Khan has expanded a scheme for London residents and businesses to buy high-quality solar panels after a first phase saw nearly 4,000 registrations.
Renewable energy's share of electricity generation hit a new record high in the first quarter of this year despite increased demand caused by the "Beast from the East" cold snap, according to new government figures.
It was a month of circular economy investments, plastics debates and FIFA World Cup excitement. Take a look back at June's biggest sustainability stories in this round-up.
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