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'Feel good' factor not CO2 boosts global forest expansion

'Feel good' factor not CO2 boosts global forest expansion

Science
Forests are increasing around the world because of rising incomes and an improved sense of national wellbeing say researchers.The authors refute the idea that increasing levels of CO2 in the atmosphere are the key cause of the spread of trees. As countries become better off, farmers focus on good quality soils and abandon marginal lands, the authors say.As a result, trees are able to rapidly reforest these deserted areas.The study highlights the fact that between 1990 and 2015 forest growing stock increased annually by 1.31% in high income countries and by 0.5% in middle income nations, while falling by 0.72% in 22 low income countries. Several global climate models have attributed this change to what's termed CO2 fertilisation -...
Breast cancer screening programme 'does more harm than good'

Breast cancer screening programme 'does more harm than good'

Health
Routine breast cancer screening can do "more harm than good" and women who missed appointments should "carry on with their lives", doctors have said.A group of 15 health experts have written to the Times, saying women must not be subjected to "fear-mongering".It comes after 450,000 women in England were not invited for routine screening because of a computer error.Breast cancer charities say the screening programme offers women the "best chance" of early detection.'No impact'In the letter to the newspaper, the group of academics and GPs say women aged 70-79 who are being offered catch-up appointments should only seek help if they notice a lump or other symptoms."[They] would be well advised to look this gift horse in the mouth," the medical professionals wrote in the newspaper."The breast ...