An ambitious strategy to create fuel cell products for export will need incentives and cross-government backing to bear fruit, says Radhika Perrot.

Although the region is not a big polluter, the threat of climate change means it should lead the way on cuts, argues Crispin Maslog.

A third industrial revolution based on new communication and energy technologies needs strong political commitments, argues David Dickson.

Climate Innovation Centers can promote clean technologies but need backing with a coordinated effort, says policy specialist Ambuj Sagar.

Despite concern over adverse impacts, deep marine mineral exploration is set to become a global industry, says geologist Chris Yeats.

More Asia–Pacific countries need to embrace renewable energy and follow the first tentative steps of some governments, says Crispin Maslog.

Using the human rights framework to tackle challenging ethical questions can guide climate policy, argues political philosopher Simon Caney.

Country-specific costing of scaling up renewable energy technologies can help allocate climate funds efficiently, says Michael Jakob.

Algal biofuels, like crops, demand land, water, fertilisers, pesticides and inputs that are costly for India, says Hoysall Chanakya.

Sustainable development targets will work only if they engage with the realities of national politics, says policy expert Matthew Lockwood.

Rio+20 must launch SDGs to guide countries through complex development challenges, argues Colombian ministry official Paula Caballero Gómez.

Crispin Maslog says the region should follow the Philippines' lead and focus on renewable, not nuclear power.

Reforms in the Arab region should focus on transitioning to a green economy, argues award-winning environmental advocate Najib Saab.

Jeremy Rifkin says the developing world could leapfrog into a new energy era by merging communication and renewable energy technologies.

Business models that pair up cheap solar technologies with cell-phone services can provide the poor with renewable energy, says Carl Pope.

Desertec, an ambitious solar power project in the Middle East and Africa, should be more transparent and participatory, argues Athar Osama.

Nuclear power is no magic solution, argues Pervez Hoodbhoy — it's not safe, or cheap, and it leads to weapons programmes.

Rising costs and re-evaluated risks make nuclear power a poor choice, even for developing nations that can afford it, says José Goldemberg.

Nuclear power can benefit developing countries but requires long-term planning and an educated workforce, says Michael J. Mangala.