Is the Sears Tower the tallest tower in USA currently? What about the tallest tower in the world currently?

http://en.wikipedia.org/wiki/List_of_tallest_towers_in_the_world

thanks!

You're welcome.

To find out if the Sears Tower is currently the tallest tower in the USA, you would typically search for information about the tallest towers in the country. Here's how you can do that:

1. Open a web browser on your computer or mobile device.
2. Go to a search engine like Google or Bing.
3. In the search bar, type in "tallest tower in the USA."
4. Press Enter or click on the search button.
5. Look for reliable sources, such as official websites, news articles, or websites specialized in architecture or skyscrapers.
6. Find the information that confirms the current tallest tower in the USA.

As of August 2021, the Sears Tower (also known as the Willis Tower) in Chicago is not the tallest tower in the USA. The title is currently held by the One World Trade Center in New York City, which has a pinnacle height of 1,776 feet (541 meters). The Sears Tower, standing at approximately 1,450 feet (443 meters), held the title of the tallest tower in the world until 1998 but has since been surpassed by various towers worldwide.

Finding the current tallest tower in the world involves a similar process:

1. Perform a new search or modify your existing search by typing "tallest tower in the world."
2. Follow the same steps as before to find reliable sources of information.
3. Look for the latest data on the tallest tower globally.

As of August 2021, the Burj Khalifa in Dubai, United Arab Emirates, holds the title of the world's tallest tower. It stands at a height of approximately 2,717 feet (828 meters). However, architectural advancements and new projects may change this ranking over time, so it's always a good idea to check for updates.