Answers from Kantonsschule Baden (3)

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Asked by: Onslow College | Kantonsschule Baden (3)

COWS, sheep and goats may seem like innocent victims of humanity's appetite for meat, but when it comes to climate change they have a dark secret.

 

In New Zealand we have 34.2 million sheep, 9.7 million cattle, 1.4 million deer and 155,000 goats. They emit 48 per cent of the country's greenhouse gases in the form of methane and nitrous oxide. Worldwide, livestock burps are responsible for 18 per cent of greenhouse gas emissions - more than produced from all forms of transport combined. Methane accounts for the bulk of ruminant green house gas emissions, one tonne of the gas has 25 times the global warming potential of the ... What should we do about that?

Asked by: Onslow College | Kantonsschule Baden (3)

The animals of New Zealand have a particularly interesting history because, before the arrival of humans, probably less than 1,300 years ago, the country was completely free of mammals, except those that could swim there (seals, sea lions, and, off-shore, whales) or fly there (bats). This meant that all the ecological niches occupied by mammals elsewhere were occupied by either insects or birds, leading to an unusually large number of flightless birds, including the Kiwi, the Moa, and the Kakapo. Because of the lack of predators even the bats spend most of their time on the ground. What native animals do you have in Switzerland? Are there any that only occur in Switzerland?

Asked by: Onslow College | Kantonsschule Baden (3)

The most spectacular of all New Zealand birds was the Moa. Unfortunately this exceptional bird was hunted to extinction by the time the first European set foot on New Zealand. Some Moa's reached heights of 15 feet, making them the tallest bird in the world. There have been some supposed sightings of this bird in remote areas, but there has never been any hard evidence that it still exists. Do you know of plants or animals in your country that are now very rare or that have disappeared (become extinct)?

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