Letters: We call on the Wellcome Trust and Gates Foundation to divest from the fossil fuel industry and show the leadership we, as future health professionals, need to bring about a healthier economy
Letters: A major research study by Newcastle University published last year found not only that organic fruit and veg contains more beneficial nutrients, but also four times less pesticide residues
Letters: We place a much higher value on things that are rare or unique, provided they speak to us in some significant way
Letters: Hinkley Point C, when built, will produce more carbon-free electricity than all wind farms currently operational in the UK
Galleries should be for looking at the art not for having your picture taken in front of it
Campaigners have managed to keep the Congo national park free from drilling just as protected sites elsewhere are being cravenly redrawn