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Rewi Newnham

Rewi Newnham

The Conversation

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Parts of NZ could be heading into a wetter summer – a blessing in disguise for allergy sufferers

Parts of NZ could be heading into a wetter summer – a blessing in disguise for allergy sufferers

New research shows how La Niña and El Niño weather patterns can affect pollen levels, with a shorter and less severe hay fever season during a...

22.09.2025 10

The Conversation

Rewi Newnham

The common raupō once kept NZ’s wetlands and lakes thriving – now it could help restore them

With about 90% of New Zealand’s natural wetlands drained or severely damaged during the past decades, we need to understand the role of native...

26.09.2024 7

The Conversation

Rewi Newnham