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Alistair Walsh
Skip next section Featured stories by Alistair Walsh
Featured stories by Alistair Walsh
Dramatic forest loss due to farming, climate change: report
Every day the planet loses more and more trees to deforestation. But why are forests so important for us anyway?
What is the Anthropocene?
Many scientists say profound human-driven change to our planet has ushered a new geological epoch. Others are less sure.
How sustainable farming could help Ethiopian farmers
Drought, planetary heating, war: The reasons for Ethiopia's food crisis are complex. Can smart farming techniques help?
Skip next section Stories by Alistair Walsh
Stories by Alistair Walsh
What are migratory species and why are they threatened?
What are migratory species and why are they threatened?
Why do animals migrate and how can we protect them?
Did humanity just break the Paris climate agreement?
Did humanity just break the Paris climate agreement?
For a whole year, the planet exceeded 1.5 degrees Celsius warming limit. Are we on the path to "climate chaos?"
Brazil proposes global forest fund at Dubai climate talks
Brazil proposes global forest fund at Dubai climate talks
People in scores of rainforest nations could be paid to preserve forest areas under Brazil's new concept.
Greenhouse gases continue to rise as warming hits record
Greenhouse gases continue to rise as warming hits record
As countries meet in Dubai for climate talks to negotiate emissions reductions, the world is warming faster than ever.
How the Gulf region is planning for a life after oil
How the Gulf region is planning for a life after oil
The Gulf countries are marching ahead with an ambitious domestic transition to renewable energy.
Waves of waste: The harsh truth about ocean plastic
Waves of waste: The harsh truth about ocean plastic
Some of the world's most motivated janitors are trying to clean up vast fields of plastic waste. But is it worth it?
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