Citizens strongly support this programme because they understand recycling's many positive attributes, including conserving natural resources, reducing pollution and preserving disposal capacity.

ECONOMIST: Making states accountable

Some of the key areas highlighted included marine biodiversity conservation, ocean acidification, marine pollution, and the required investment in science and capacity development for transitioning to a blue-green economy.

UNESCO: Social and Human Sciences

In London, meanwhile, where road congestion and air pollution provide a decent argument for using government cash to subsidise rail journeys, there are now serious capacity constraints.

ECONOMIST: Railways

As well as destroying such native ecosystems, deforestation also diminishes so-called "carbon sinks" -- thereby reducing the Earth's capacity to absorb and re-process atmospheric carbon dioxide -- while also adding to air pollution through the burning of land to clear it for cultivation (sugarcane fields are traditionally fired prior to harvest to remove leaves and drive away snakes).

CNN: Biofuel: Green savior or red herring?