Europe’s debt crisis is weighing heavily on the renewable energy sector – but financiers acknowledge the sector faces other challenges in attracting investment at scale. Mark Nicholls reports

Investors and financiers are gradually becoming comfortable with investing in Europe’s offshore wind industry. But will investment flow fast enough? Mark Nicholls reports

Google has become one of corporate America’s largest investors in renewable energy. Gloria Gonzalez investigates

Are investors in China’s solar sector at risk of accounting fraud? Joshua Speckman investigates

M&A in the renewables sector is hotting up – but investors are cautious, crave policy certainty and, to a large degree, are staying close to home, says KPMG’s Andy Cox

Renewable energy is set to play a vital role in helping India meet its soaring demand for power – but can it attract the international finance needed? Joshua Speckman reports

The European Commission plans to kickstart a market in ‘project bonds’, potentially helping to boost renewables investment – but it will have to tread carefully. Philippa Jones reports

Solar and wind stocks surged as the nuclear crisis in Japan began to unfold, reports Jess McCabe. Is it a temporary blip – or the recovery that investors have been waiting for?

Jonathan Silver explains how the US Department of Energy’s loan guarantee programme is supporting clean energy technologies, creating jobs and reducing emissions

The renewable energy sector has been under particular attack of late, with sceptics taking potshots at its viability and environmental effectiveness. But many of these attacks are flawed or unfounded, say Gabriel Miller, Camilla Sharples and Paul Ho

The renewable energy sector may have passed last year’s nadir, but finance is far from flowing. Mark Nicholls reports

Sarah Rundell reports from Rwanda on a potentially transformative project to tap underwater methane for electricity generation

The downward trend of Europe’s renewable incentive schemes has spooked investors, with growing uncertainty intensifying the concern. Charlotte Dudley reports

Rising levels of renewable energy penetration mean that grid operators are demanding higher standards from clean power producers – presenting challenges to technology providers and opportunities to investors. José Luis Rodrigues Amenedo explains

Chinese policy towards its wind and solar industries has taken different paths – promoting wind at home first, while encouraging solar exporters. But structural issues are looming for both sectors. Joshua Speckman reports

The US renewable energy sector is beginning to consider life after economic stimulus – but sees a yawning chasm opening up. Gloria Gonzalez reports

Renewable energy infrastructure offers solid, long-term returns – and investors are dipping more than a toe in the water. Christopher Cundy reports

Once land-use rules are clarified, generous feed-in tariffs and an ample resource will see investors flock to Israel’s overlooked solar sector, say Daniel Berkove and Daniel Gamulka

Renewable energy investment in India offers attractive returns – but barriers to entry are discouraging capital flows, say Sumit Kadakia and Mahua Acharya

Could the accelerating uptake of small-scale solar photovoltaics begin to weigh on US utilities’ rate base, and on their credit quality? Anne Selting looks at the evidence