Greed: Some call it a useful dowry of evolution, others a fault in the human genetic make-up. Why do people never feel like they have enough, where is this self-indulgence leading - and is there a way out of this vicious cycle of gratification?
Meat would actually cost about triple its current market price if we factored in its environmental impact. Could a "meat tax" cut consumption and help do what needs to be done to fight climate change?
There's something rotten in the state of pharma — greed, secrecy, inefficiency — it's all there. And there's no easy fix. But moves toward a more caring, sharing industry through "open source pharma" may be a start.
Major changes to diet and farming are needed to allow the Earth to keep feeding the global population. The study's lead author told DW there's "little chance of staying within environmental limits" if no action is taken.
The UN has issued its starkest warning yet over climate change, but says it's not too late to avoid the worst impacts of global warming. Political will is required — but there are also things you can do.
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