'Emergency' declared over falling UK butterfly numbers

Conservationists on Wednesday voiced concern at a fall in the number of butterflies found in the UK, declaring a "butterfly emergency" and calling for greater protections for under-threat species.

Improving the accuracy of global cropland mapping

To address the needs of the agricultural monitoring community, IIASA scientists fused two of the latest high-quality, high-resolution, remotely sensed cropland products to produce an improved cropland map for early warning ...

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