Is it geoengineering when you put curtains on a glacier? The term seems, well it's not clickbait, but at least a more sensational way of phrasing a local measur

Is it geoengineering when you put curtains on a glacier? The term seems, well it's not clickbait, but at least a more sensational way of phrasing a local measure to have global effects. Like turning off an enormous fossil fuel power plant to prevent global warming is also geoengineering, technically, a little bit?