The world of renewables this week

Analysts in the UK have highlighted the challenges in planting trees as a means of carbon capture. This follows a wave of pledges in the run up to a general election, with the Conservative Party aiming to plant 30 million more trees a year, and the Liberal Democrats promising 60 million. Forestry experts have responded to this, praising the ambition, but highlighting that careful planning will be required to find sufficient land. Mountain Gravity Energy Storage has been proposed in the latest version of the journal Energy. Using existing chair-lift infrastructure, the idea claims that sand may be transported up the mountain at times of excess electricity production, which may be used to generate electricity for anywhere between five and…