The has suggested that ambitious targets to halt the decline
in nature may already be slipping out of reach.
Scientists say the effects of climate change and habitat loss on
animal populations have been under-estimated. They say bringing back wildlife may take longer than expected
and that unless we act now global biodiversity targets will be out of reach.
In December almost 200 countries agreed to halt the decline in
nature by the end of the decade. They set ambitious goals to halt the loss of
biodiversity and protect 30% of lands and seas by 2030.
Doctor Robin Freeman of ZSL's Institute of Zoology in London
said …. "What this analysis is highlighting is that it's even
harder than we think [to meet the targets]. We need to act more urgently
and more quickly, and tackle more things to achieve them."
The study, published in the Royal Society journal, Proceedings
B, analysed trends in populations of more than 600 different species of birds
and mammals. The scientists found that past modelling work had largely
ignored time lags of decades before the effects of drivers such as climate
change and habitat loss kick in.
This means we may be further down the line towards biodiversity
loss than we thought.
Doctor Robin Freeman said …. "We've seen delayed effects
of up to 40 years for large mammals and birds and that means that the longer we
wait to take action the longer it will take to see any kind of response."
On the plus side, the research suggests immediate action on such
things as unsustainable hunting and over-exploitation of natural resources will
have immediate and far-ranging benefits.
More plants and animals are going extinct than at any other
point in human history.
In December 2022, countries signed up to a landmark agreement
setting global goals to address biodiversity loss.
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