Listening · B2 · section 4 · hard
Lecture: Bees in Urban Environments
Play the recording once — 7 questions follow.
The Recording
IELTS listening · section 4 · play once before answering
0:000:00
Exercise — 0 of 7 answered
Q.1Why can agricultural landscapes be difficult for bees?
Q.2Cities may offer flowers from early spring until late __________.
Q.3Buildings and roads contribute to the urban heat __________ effect.
Q.4How can traffic pollution affect bees?
Q.5Scientists have conclusive evidence about artificial light's effects on bees.
Q.6Match each action to its benefit.
Plant flowers at different timesLeave bare soilKeep hollow stemsQ.7Why might adding many rooftop honeybee hives be harmful?
Show transcript
LECTURER: Today I'd like to examine an unexpected feature of modern cities: their value as habitats for bees. We often assume that rural areas provide the best conditions for pollinating insects, but recent research suggests the picture is more complicated.
One advantage cities offer is variety. Agricultural landscapes may contain huge fields of a single crop which flowers for only a few weeks. Urban areas, by contrast, include private gardens, parks, road edges, balconies, and even planted roofs. Together, these can provide different flowers from early spring until late autumn. This longer feeding season is particularly helpful when food is scarce in the countryside.
Cities can also be warmer than the surrounding land. Buildings and roads store heat during the day and release it slowly at night, creating what scientists call the urban heat island effect. Mild temperatures allow some bee species to become active earlier in the year. However, excessive heat during summer can dry out flowers and reduce the amount of nectar available.
Not every feature of city life is beneficial. Traffic creates air pollution, which can change the scent signals that bees use to locate flowers. Artificial light may also affect their daily rhythms, although researchers still need stronger evidence about this. Another concern is the loss of nesting spaces when old walls are repaired and untidy ground is covered with paving.
There are several practical ways to support urban bees. Planting native flowers is useful, but variety matters more than simply choosing one recommended species. Gardeners should select plants that flower at different times. Leaving a small area of bare soil helps ground-nesting bees, while hollow stems provide shelter for other species. Pesticides should be avoided wherever possible.
Some cities have placed beehives on office roofs. These projects attract public interest, but adding large numbers of honeybees is not always the best solution. Honeybees can compete with wild bee species for limited food. For this reason, researchers argue that improving habitat across a city is more valuable than concentrating many hives in one location. The most successful policy combines scientific monitoring with small changes made by residents, businesses, and local authorities.