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...around Heathrow to discourage driving. It is even possible that any increase of air traffic at Heathrow will have to require an equal reduction of road traffic across much of west and central London. Irrespective of whether you think airports are a good or bad thing, it is very difficult to share the costs and benefits equally when they cross between scales and locations....

...service of education, they also remove a powerful symbol of community; one that lends both credibility and legitimacy to the board and its decisions. In so doing they risk the wholesale alienation of the very parents they frame as central to their education policy. [The Conversation] This article was originally published on The Conversation. Read the original article....

...central nervous system to affect the mental functioning or emotional state. On the face of it, this definition would apply to widely used substances such as nicotine, caffeine and alcohol, but Schedule 1 of the Act makes it clear that the prohibition doesn’t apply to these widely consumed substances. Will it work? US President Nixon declared a war on drugs in 1971 but...

...central backup of every seed bank on earth, storing the genetic resources of all the world’s food plants. With 860,000 varieties stored there so far, and space for 4.5 million, it already holds the planet’s most diverse seed collection. The Vault is an epic construction. It was funded by the Norwegian government and its establishment owes a great deal to the work of a...

...central and southern Europe, with Bulgaria closing themselves off from Turkey in 2014, Hungary doing the same to Serbia in the middle of 2015, followed by Macedonia threatening to do likewise to Greece. Then the process moved north, with Austria erecting a barbed wire fence between themselves and Slovenia, Germany reimposing border controls, and Sweden, in a reversal of...